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Determining Empirical and Molecular Formulas - Chemistry Tutorial
 
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This tutorial covers how to determine the empirical and molecular formulas of a compound from quantitative analyses and includes examples of how to calculate the empirical formula given the percent composition by mass of an unknown compound. https://www.thechemistrysolution.com
Views: 270077 TheChemistrySolution
Empirical Formula & Molecular Formula Determination From Percent Composition
 
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This chemistry video tutorial explains how to find the empirical formula given the mass in grams or from the percent composition of each element in a compound. If you're given the mass percent, you can simply treat it as if you were given the mass in grams. This video explains how to find the molecular formula given the molar mass of the compound. You can do this once you have the empirical formula. This video explains all of it. It has plenty of practice problems and examples for you to master this lesson. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor
Find the Empirical Formula Given Percents
 
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If you're given the Percent Composition of a compound, you can find the Empirical Formula for it. I have the shortest method ever to do it, although it's not a "full solution" like your teacher probably asks for. 1. Divide each % by the atomic mass of the element 2. Divide each of THOSE answers by whatever's smallest 3. Adjust these numbers into their lowest whole-number ratio. Check me out: http://www.chemistnate.com
Views: 581283 chemistNATE
Writing Empirical Formulas From Percent Composition - Combustion Analysis Practice Problems
 
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This chemistry video tutorial shows you how to determine the empirical formula from percent composition by mass in grams. This video also shows you how to determine the molecular formula from the empirical formula using the combustion analysis technique of a compound. This video contains plenty of examples and practice problems that can help you on your next upcoming worksheet assignment / quiz. Here is a list of topics: 1. Empirical Formula - Lowest Whole Number Ratio 2. Finding the empirical formula from mass in grams 3. Determining the empirical formula using percent composition by mass 4. Calculating Molecular Formula From Empirical Formula Using Molar Mass 5. Combustion Analysis - Compound with 2 elements - Carbon & Hydrogen 6. Empirical Formula From Combustion Analysis - 3 Element Compound - Carbon, Oxygen, and Hydrogen 7. Decimal Ratio Subscripts & Fractions - Converting to whole numbers
Calculating Molecular Formula from Empirical Formula
 
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We'll learn how to calculate molecular formula for a compound when you are given its empirical formula and its molar mass. In order to do this, you need to figure out what to multiply the empirical formula by to get the molecular formula and the correct molar mass. The multiple can be determined by dividing the molar mass of the compound by the molar mass of the empirical formula.
Views: 712004 Tyler DeWitt
Introduction to Combustion Analysis, Empirical Formula & Molecular Formula Problems
 
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This chemistry video tutorial explains how to find the empirical formula and molecular formula using combustion analysis. It explains how to calculate the number of moles of each element given the mass in grams of CO2 and H2O. Examples include compounds containing Carbon, Hydrogen, and Oxygen. This video contains plenty of practice problems New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor
Empirical Formula and Molecular Formula Introduction
 
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We will talk about what empirical formula and molecular formula are, how they are different, and we'll learn how to write the empirical formula for a compound when you are given the molecular formula. Molecular formulas tell you how many atoms of each element are in a compound, and empirical formulas tell you the simplest or most reduced ratio of elements in a compound. If a compound's molecular formula cannot be reduced any more, then the empirical formula is the same as the molecular formula. Also, many compounds with different molecular formula have the same empirical formula.
Views: 743603 Tyler DeWitt
Determining the Empirical Formula and notes
 
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There is no sound for this video
Views: 7 MsDeFeliceTPS
Lab: The Empirical Formula of Magnesium Oxide
 
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Here we use gravimetric analysis to determine the empirical formula of magnesium oxide.
Views: 46603 dchummer
Empirical and Molecular Formula from Percent Composition (No. 1)
 
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Shows how to determine the empirical and molecular formulas for a compound if you are given the percent composition and the molecular weight. You can see a listing of all my videos at my website, http://www.stepbystepscience.com
Views: 169436 Step-by-Step Science
Lab calculations - empirical formula lab
 
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Lab calculations for determining the empirical formula of magnesium oxide
Views: 8181 Rachel Nixon
Determining the Empirical Formula of Silver Oxide
 
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In this video, we recount how to determine the empirical formula of silver oxide by utilizing the Law of Conservation of Mass.
Views: 1338 bshsapchemlabs
Answer Key for Formative Quiz: Percent Commposition, Empirical Formula and Molecular Formula
 
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Answer Key for Formative Quiz: Percent Composition, Empirical Formulas and Molecular Formulas
Views: 229 100417647
Empirical Formula - Complex Example 1
 
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Learn how to calculate an empirical formula when the answer is not a whole number.
Views: 331 designchemed
Empirical Formula from Combustion Analysis (Example)
 
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Given the masses of carbon dioxide and water formed, and the initial mass of an unknown compound, determine its empirical formula. Made by faculty at the University of Colorado Boulder, Department of Chemical & Biological Engineering. Check out our Chemistry playlist: https://www.youtube.com/playlist?list=PL4xAk5aclnUi1CEFNwjcheMgyWe8BwuLS Check out our website for screencasts organized by popular textbooks: http://www.learncheme.com/screencasts/chemistry Empirical Formula from Combustion Analysis 2 (Review): http://youtu.be/tbMfvgu191Y
Views: 32045 LearnChemE
How to Calculate EMPIRICAL FORMULA Using 5 Simple Steps
 
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http://www.sciencetutorial4u.com Finding empirical formula with 5 simple steps. The steps are: 1) Write the atoms involved in the calculation. 2) Write the mass of the atoms. 3) Find the Mole of each atom by doing mass over relative atomic mass (you can find the Ar using the periodic table, Ar is the mass number). 4) Calculate the mole ratio, this is done by dividing each moles (from step 3) by the smaller mole. 5) Here you go, you got the empirical formula from the mass given. Thank you for watching. Please like, subscribe and share this video: https://youtu.be/lPLTLkn3dNU
Views: 99168 sciencetutorial4u
Percent Composition By Mass
 
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We'll learn how to calculate percent composition by mass, and we'll work through a number of practice problems. To calculate percent by mass, you need to determine two things: the mass of just the element, and the molar mass of the whole compound. Then, you take the molar mass of just the element and divide it by the molar mass of the whole compound, and multiply by 100%.
Views: 625171 Tyler DeWitt
MolecuLar FormuLa and EmperiCal Formula | Percentage CompositioN | Class 10 , 12 ICSE / CBSE
 
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MoLE ConCepT in 40 mins : CBSE / ICSE : CHEMISTRY : Class 10, Class 11, Class 12 https://youtu.be/bI-yhj9WgxQ MOLE Concept in 6 mins : Class X CBSE / ICSE : https://youtu.be/WGSGtdglZzg MOLE CoNcEpT : STOICHIOMETRY : Class X , XI , XII : CBSE /ICSE https://youtu.be/Qk2q1KaVUFA MolecuLar FormuLa and EmperiCal Formula | Percentage CompositioN | Class 10 , 12 ICSE / CBSE https://youtu.be/nX1b6GEJ8XU Mole ConcepT 01 | How To CalcuLate Number of Moles | Mass Volume Relationship | Revision https://youtu.be/fAJg1HaI8T4 How to BALANCE any Chemical Equation - ABCD Method | Best Way to Balance Chemical Equation https://youtu.be/7Wx1ooWnjQ0 Mole Concept || Class 9,10,11 || Stoichiometry || Percentage Composition | Compilation Of OLd Videos https://youtu.be/omuhMcN9z-M
Empirical Formula by Combustion Analysis
 
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A sample problem walking you through how to calculate the empirical formula of a compound given the results of a combustion reaction.
Views: 47244 DrKsChemClasses
Empirical Formula of Magnesium Oxide Post-Lab
 
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In this video, I work out most of the post lab questions from the empirical formula lab.
Views: 18042 Melanie Harlan
Empirical and Molecular Formula from Percent Composition (No. 2)
 
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Shows how to determine the empirical and molecular formulas for a compound if you are given the percent composition and the molecular weight. You can see a listing of all my videos at my website, http://www.stepbystepscience.com
Views: 19462 Step-by-Step Science
Writing Ionic Formulas: Introduction
 
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Here's how to write formulas for binary ionic compounds. We'll see how you have to balance the charges of the two ions so they cancel each other out.
Views: 2000459 Tyler DeWitt
How to Calculate Molar Mass Practice Problems
 
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We will learn how to calculate the molar mass of a compound by using its chemical formula. Molar mass is a quantity that is very similar to molecular mass, molecular weight, formula mass, and formula weight. In order to calculate molar mass, we look at the formula to determine how many atoms of each type are in it, and then look at the periodic table to determine the atomic mass of each of the atoms. We will look at compounds containing polyatomic ions, and also hydrate compounds.
Views: 706215 Tyler DeWitt
Calculating Percent Composition and Empirical Formulas
 
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Calculating percent composition and empirical formulas with Mr. Causey as he discusses and demonstrates step by step how to find percent composition, empirical formulas and molecular formulas. http://www.yourCHEMcoach.com SUBSCRIBE for more chemistry videos: http://bit.ly/1jeutVl ABOUT MR. CAUSEY'S VIDEO ACADEMY Mr. Causey's Video Academy is an educational video series of short video lessons for chemistry, algebra and physics. You can get lessons on a variety of topics or homework helpers that show you how to solve certain problems. There are over 120 videos to choose from. CONTACT ME: [email protected] FOLLOW ME: http://www.twitter.com/#!/mrcausey http://www.twitter.com/#!/mr_causey http://pinterest.com/mistercausey/ http://www.facebook.com/profile.php?id=814523544 https://plus.google.com/u/0/111105504415887392612 RESOURCES Polyatomic Ion Cheat Sheet: http://bit.ly/14e2pbw Periodic Table: http://bit.ly/ptable9 RELATED VIDEOS: Find the Empirical Formula: http://www.youtube.com/watch?v=zDXaExMbfL8 Find the Percent Composition and Moles: https://www.youtube.com/watch?v=jXyj39WxPOo Stoichiometry: http://www.youtube.com/watch?v=JIw_BmFZdhI Percent by Mass: https://www.youtube.com/watch?v=ZyFCIcQyI48 It is important to know the composition of compounds when dealing with stoichiometry and chemical analysis. Percent composition also allows you to find the empirical formula and the true formula of a molecular compound.
Views: 111969 Mr. Causey
Empirical Formula vs Molecular Formula Calculations for the MCAT
 
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http://Leah4sci.com/reactions presents: Empirical Formula vs Molecular Formula Calculations for MCAT General Chemistry Tired of conflicting and confusing MCAT advice? Access My FREE guide for everything MCAT prep: http://mcatstrategyguide.com/guide In this video: [0:25] Introduction to Molecular Formula [2:14] Definition of Empirical Formula [5:09] Sample Amino Acid Problem [7:08] Sample Percent Mass Problem This video explains the definitions, similarities, and differences between an atom's empirical formula and its molecular formula. You will also see when the empirical and molecular formulas are the same, and a percent by mass example! Links & Resources Mentioned in this Video: Amino Acid Cheat Sheet: http://leah4sci.com/amino-acids-mcat-cheat-sheet-study-guide/ Catch the entire MCAT Stoichiometry and Reactions Video Tutorial Series along with the Stoichiometry Practice Quiz and Cheat Sheet on my website at http://leah4sci.com/reactions This series will help you master AAMC Content Category 4E! Need help crafting a custom MCAT study schedule that takes your personal life and background into consideration? The strategy bootcamp will help you do that and so much more. Details: http://leah4sci.com/strategybootcamp For more hands on help with every step of the progress from strategy/planning to content review and more, come join me in the MCAT Study Hall. Full details: http://join.mcatstudyhall.com Looking for one-on-one help reviewing questions, passages and full lengths? I offer private online MCAT tutoring. Details http://leah4sci.com/mcat-tutoring/ Finally, for questions and comments, find me on social media here: Facebook: https://www.facebook.com/Leah4Sci Twitter: https://twitter.com/Leah4Sci Instagram: https://www.instagram.com/leah4sci/ Google+ : https://plus.google.com/u/0/+LeahFisch Pinterest: http://www.pinterest.com/leah4sci/
Views: 1521 Leah4sciMCAT
Chapter 3 - Empirical Formulas, Percent Composition, and Finding the Molecular Formula
 
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Video by Ruben Guzman A set of question worked out, to help student understand how to answer questions about Empirical Formulas
Chemistry Practice Problems: Determining Formula from Percent Composition
 
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https://getchemistryhelp.com/learn-chemistry-fast/ These practice problems demonstrate how to calculate the empirical formula and molecular formula from percent composition data. Download the accompanying PDF worksheet at http://www.getchemistryhelp.com/chemistry-practice-problems-determining-formula-from-percent-composition/.
Views: 4322 GetChemistryHelp
How To: Find Empirical Formula From A Combustion Reaction (Combustion Analysis)
 
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A video made by a student, for a student. Showing how to pull an empirical formula from a combustion reaction. Kansas University. Rock Chalk Jayhawk, KU!!!!!!!!! IGNORE: Stoichiometry. Biology. Chemistry. How to work practice problem. How to convert. moles to grams . grams to moles. how to. doing chemistry practice problems. science. how. to. do. science. intro college chemistry level. problems. molecular weight. neutrality. acid. base. calculations. molar. mole. molar unit. grams. weight. chemical. formula. empirical. molecular. science equations. easy problems worked. made easier. made easy. density. mass. volume. how to find them. finding density. finding volume. finding mass. how to find molarity. how to find molecular weight of anything! all chemistry equations keywords
Views: 81049 ScienceMade Easier
3. Experimental Determination of Empirical Formula of Magnesium Oxide - DATA COLLECTION
 
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Calcuate the empirical formula of magnesium oxide. The experiment can be improved - can you suggest how? Music: "twine and timber" by Russianhush on sound cloud Sound effect from half life (Valve) and mickmon from freesound.org
Views: 514 Richard Thornley
Converting Between Grams and Moles
 
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We'll learn how to convert back and forth between grams and moles. For each example, we'll do it two ways. First, a thinking through it approach, that shows how you multiply moles by the molar mass to convert from moles to grams, and how you divide grams by the molar mass to convert from grams to moles. Second, we'll use a conversion factor method where we write units based on molar mass information, and set up fractions to correctly cancel the units. For part two, check out the video http://youtu.be/0RXB8xNmJNM
Views: 1184535 Tyler DeWitt
Empirical Formula Calculation from CO2 and H2O (Combustion analysis)
 
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webpage-http://www.kentchemistry.com/aplinks/chapters/3stoich/Empirical.htm This advanced topic uses combustion analysis (analyzing mass of CO2 and H2O produce through burning) to determine the empirical formula. Empirical formulas are just simple whole number mole ratios. The example I use in this video is Menthol, the substance we can smell in mentholated cough drops,and is also added to cigarettes. The question: Menthol, the substance we can smell in mentholated cough drops, is composed of C, H, and O. A 0.1005 g sample of menthol is combusted, producing 0.2829 g of CO2 and 0.1159 g of H2O. What is the empirical formula for menthol?
Views: 29645 kentchemistry.com
Avogadro's Number, The Mole, Grams, Atoms, Molar Mass Calculations - Introduction
 
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This general chemistry video tutorial focuses on avogadro's number and how it's used to convert moles to atoms. This video also shows you how to calculate the molar mass of a compound and how to convert from grams to moles. This video contains plenty of examples, notes, and practice problems that you help you complete your next worksheet assignment. Stoichiometry Practice Test: https://www.youtube.com/watch?v=9fSiy7-JurA Solution Stoichiometry: https://www.youtube.com/watch?v=Ab3wfKjaWWQ Intro To Physics: https://www.youtube.com/watch?v=WL5_T-g3Fxw Epic Music Mix: https://www.youtube.com/watch?v=qeljbZhx9bY&t=214s General Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&list=PL0o_zxa4K1BV-uX6wXQgyqZXvRd0tUUV0&index=3 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Here is a list of topics: 1. Avogadro's Number and The Mole 2. Converting Moles to Atoms, Molecules, and Formula Units 3. Atoms to Moles Conversion 4. Molar Mass Calculations - g/mol 5. Grams to Moles and Moles to Grams Dimensional Analysis 6. Grams to Atoms Stoichiometry
AP Chemistry: Calculating an Empirical Formula
 
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Watch more at http://www.educator.com/chemistry/goldwhite/ Other subjects include Algebra, Geometry, Pre-Algebra, Geometry, Trigonometry, Calculus, Biology, Statistics, Physics, and Computer Science. -All lectures are broken down by individual topics -No more wasted time -Just search and jump directly to the answer
Views: 133761 Educator.com
Writing Formulas for Ionic Compounds
 
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How to write the formula for an ionic compound, given its name.
Views: 192964 Ben's Chem Videos
Writing Ionic Formulas - Basic Introduction
 
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This chemistry video tutorial provides an introduction to writing the formula of an ionic compound that contains transition metals with roman numerals and polyatomic ions. This video contains plenty of examples and practice problems that you can help you with your next worksheet assignment. Here is a list of topics: 1. Writing Formulas For Ionic Compounds - Same Charged Ions 2. Monoatomic vs Polyatomic Ions List 3. Charges of Common Monoatomic Ions Based On Group Number In the Periodic Table of Elements 4. Transition Metals and Roman Numeral System List of Examples and Chemical Formulas: Sodium Chloride, Calcium Sulfide, Aluminum Nitride, Lithium Oxide, Gallium Bromide, Magnesium Phosphite, Potassium Sulfate, Strontium Phosphate, Barium Nitrate, Iron (II) Sulfide, Copper (II) Nitrite, Copper (I) Phosphite, Vanadium (V) Dichromate, and Leav (IV) Oxide.
Naming Ionic and Molecular Compounds | How to Pass Chemistry
 
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Naming compounds have never been so simple! With my strategy and step by step examples, you will be naming compounds like a pro in no time! This video explains every single type of ionic compound rule and covalent compound rule you will see and there are even practice problems to lock in what you just learned. 📗 FREE CHEMISTRY SURVIVAL GUIDE https://sellfy.com/p/NbUf/ 👉 SHOP MY STEP-BY-STEP CHEMISTRY NOTES👈 https://sellfy.com/melissamaribel Thermochemistry: https://sellfy.com/p/9zWI/ Acids and Bases: https://sellfy.com/p/Ta1z/ Naming Compounds and Acids: https://sellfy.com/p/Cpof/ Dimensional Analysis, Significant Figures, and Density: https://sellfy.com/p/6AnT/ Gas Laws: https://sellfy.com/p/De81/ Stoichiometry: https://sellfy.com/p/NObu/ Redox Reactions: https://sellfy.com/p/rQsZ/ Molarity: https://sellfy.com/p/2A3h/ Limiting Reactants: https://sellfy.com/p/J2oT/ Lewis Structures: https://sellfy.com/p/HjLq/ 🧡SHOW YOUR SUPPORT ON PATREON https://www.patreon.com/melissamaribel 👍MELISSA'S FAVORITES ON AMAZON https://www.amazon.com/shop/chemistrywithmelissamaribel --OTHER RESOURCES TO HELP YOU GET THROUGH SCHOOL-- 🙌 This was my go-to homework help when I was in school. Chegg Study is one of my favorites. https://che.gg/melissamaribelstudy 🤓 I know from experience that finding the right tutor isn’t always easy, so here’s 30 minutes free with Chegg tutors so you can find the right tutor. https://che.gg/melissamaribeltutors 📚 I made the mistake of buying all of my textbooks, I wish I had the option of renting them. Thankfully you do, with Chegg Textbook Rentals. https://che.gg/melissamaribelrentals 💰 If you bought a textbook and don’t want the hassle of selling it, Chegg can do the work for you, with Chegg Buyback. https://che.gg/melissamaribelbuyback DISCLAIMER: Some links in the description are affiliate links, which means that if you buy from those links, I’ll receive a small commission. This helps support the channel and allows me to continue making videos like this. Thanks for the support! 💁‍♀️ HI I'M MELISSA MARIBEL I help students pass Chemistry. I used to struggle with this subject, so when I finally graduated with a bachelor's degree in Chemistry, I became a tutor so that you wouldn't have to struggle like I did. I know that with the right help, YOU CAN LEARN ANYTHING! 👋 FOLLOW ME Instagram: https://www.instagram.com/hellomelissam/ Facebook: https://www.facebook.com/hellomelissam/ Twitter: https://twitter.com/hellomelissam Practice problems with step by step answers: (https://goo.gl/NwH8oC) TIMESTAMPS 1:13 Naming Strategy 1:53 Ionic Compound Naming Rules 9:49 Covalent Compound Naming Rules Example 11:49 Practice problems ___________________________________________________________________ Music: [China Electro] China-P (Morocco No Copyright music) - https://youtu.be/uDkddvltoUk Music: The Rover - S Strong https://youtu.be/DhBCxKQPHiI ___________________________________________________________________
Percent Composition By Mass
 
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This chemistry video tutorial explains how to find the percent composition by mass of each element in a compound using a simple formula. You need to find the molar mass of the entire compound in order to calculate the mass percent of each element. This video contains plenty of examples and practice problems. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor
Converting Between Moles, Atoms, and Molecules
 
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How many atoms in 5.5 moles? How many moles is 4.6 x 10^24 sulfur atoms? We'll solve problems like these, where we convert back and forth between moles and the number of atoms or molecules that we have. We'll be using both a common sense approach, and also a standard conversion factor method. We'll learn how to use a scientific calculation to do this math, and we'll see how to round our answers with scientific notation and significant figures.
Views: 1087457 Tyler DeWitt
Naming Acids Introduction
 
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How do you name acids? We'll learn how to look at the chemical formula for an acid and then write its name. We will focus on both acids without oxygen and also acids that contain oxygen, which are sometimes called oxoacids. In order to name an acid, you need separate the H+ from the negative ion. Then you figure out the name of the negative ion, and use rules for acid compound naming. If the negative ion ends in -ide, the acid is hydro- -ic acid. If the negative ion ends in -ate, the acid is -ic acid. If the negative ion ends in -ite, the acid is -ous acid. It's also important to note that there are some exceptions: phosphoric acid, phosphorous acid, sulfuric acid and sulfurous acid.
Views: 687245 Tyler DeWitt
Introduction to Limiting Reactant and Excess Reactant
 
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Limiting reactant is also called limiting reagent. The limiting reactant or limiting reagent is the first reactant to get used up in a chemical reaction. Once the limiting reactant or limiting reagent gets used up, the reaction has to stop and cannot continue. After the limiting reactant or limiting reagent is used up and the reaction stops, there is extra of the other reactants left over. Those are called the excess reactants. In this video, we'll first learn about limiting reactant and limiting reagent by comparing chemical reactions to cooking recipes. We'll look at how to calculate limiting reactant and limiting reagent using cooking ingredients, and then looking at an actual stoichiometry problem,
Views: 1030120 Tyler DeWitt
Mole Ratio Practice Problems
 
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To see all my Chemistry videos, check out http://socratic.org/chemistry Lots and lots and lots of practice problems with mole ratios. This is the first step in learning stoichiometry, for using a chemical equation to get mole ratios and using conversion factors and dimensional analysis on products and reactants.
Views: 1002225 Tyler DeWitt
Writing Formulas with Polyatomic Ions
 
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To see all my Chemistry videos, check out http://socratic.org/chemistry Here's how to write formulas for ionic compounds that contain polyatomic ions. In order to write formulas for polyatomic ions, you have to look at a chart or table of polyatomic ions to find out what the charge of each one is. Then, you figure out how many other ions will be necessary to balance out the charges and make it neutral.
Views: 1199613 Tyler DeWitt
Density Practice Problems
 
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To see all my Chemistry videos, check out http://socratic.org/chemistry We'll practice solving density example problems. We'll look at how to use the density number like a conversion factor, to solve for mass or volume. Watch this video after the density introduction or before the more complicated video on density exercises that has unit conversion.
Views: 574365 Tyler DeWitt
1.2 Calculating empirical formula from combustion analysis
 
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This video covers how to calculate the empirical formula organic compound from combustion data.
Views: 4447 Mike Sugiyama Jones
Gas Density and Molar Mass Formula, Examples, and Practice Problems
 
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This gas density chemistry video tutorial provides the formula and equations for the calculation of the molar mass of a gas and it's density. The gas density formula is derived from the ideal gas law equation. This video contains a worksheet of examples and practice problems for you to work on especially if you need help with mastering chemistry. The answers / solutions are provided in the video tutorial as well. Here is a list of topics: 1. How To Calculate Gas Density of Nitrogen gas at STP Using Dimensional Analysis - 1 mole of gas = 22.4 Liters - Molar Volume 2. Gas Density Formula using Ideal Gas Law Equation PV=nRT 3. Units of density - g/L 4. How To Find The Molar Mass of a Gas Given The Mass in Grams 5. Calculating Molar Mass Using Gas Density at STP 6. How To Determine The Molar Mass of a Gas Given Density at Non standard temperature and pressure conditions
Stoichiometry - Limiting & Excess Reactant, Theoretical & Percent Yield - Chemistry
 
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This chemistry video tutorial shows you how to identify the limiting reagent and excess reactant. It shows you how to perform stoichiometric calculations and how to calculate percent yield. This video contains plenty of examples and practice problems with answers / solutions to help you complete your next worksheet assignment or help you pass your next chemistry test / exam. Here is a list of topics: 1. Identifying the limiting and excess reactant - moles per coefficient ratio 2. Calculating the theoretical yield 3. Percent Yield Formula / Equation 4. Determining The Actual Yield of a Product 5. Balancing Combustion Reactions - Using the Mole Ratio 6. Stoichiometry - Mole to Mole and Gram to Gram Conversions 7. How To Calculate the amount of Excess Reactant that is left over 8. Using Theoretical Yield To Identify The Limiting Reagent

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