About This Chapter
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- Have fallen behind in understanding how to calculate the mole ratios of a chemical reaction's products and reactants.
- Need an efficient way to learn about stoichiometry calculations.
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- Start at the beginning, or identify the topics that you need help with.
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- Refer to the video transcripts to reinforce your learning.
- Test your understanding of each lesson with short quizzes.
- Submit questions to one of our instructors for personalized support if you need extra help.
- Verify you're ready by completing the Stoichiometry Calculations chapter exam.
Why it works:
- Study Efficiently: Skip what you know, review what you don't.
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Students will review:
In this chapter, you'll learn the answer to questions including:
- How do I make mole-to-mole and mass-to-mass calculations?
- What steps are used to determine solution molarity or the molar volume of a gas?
- What are the differences between limiting and excess reactants?
- How do I calculate reaction yield and percentage yield?
- What's involved in calculating the percent composition of a compound's elements?
- What are hydrates and anhydrates?
1. Mole-to-Mole Ratios and Calculations of a Chemical Equation
Learn what a mole ratio is and how to determine and write the mole ratio relating two substances in a chemical equation in this video lesson. Also, learn to make mole-to-mole calculations and solve problems involving moles of substances.
2. Mass-to-Mass Stoichiometric Calculations
Learn how to set up and make mole to mass, mass to mole and mass to mass stoichiometric calculations. Learn how the ratios of moles helps you compare and make calculations. Learn how to relate mole ratios to molar mass.
3. Stoichiometry: Calculating Relative Quantities in a Gas or Solution
In this lesson, learn about molar volume and how to set up and make stoichiometric calculations with gases. Then learn about solution stoichiometry and how to make stoichiometric calculations with solutions.
4. Limiting Reactants & Calculating Excess Reactants
In this lesson, you'll learn about limiting and excess reactants and how to determine which reactant is the limiting one in a chemical reaction when given the amount of each reactant, and also how to calculate the amount of product produced.
5. Calculating Reaction Yield and Percentage Yield from a Limiting Reactant
Learn what the theoretical yield, actual yield and percent yield are. Given the limiting reactant, learn how to calculate the theoretical reaction yield, which is also known as the ideal reaction yield and percentage yield.
6. Calculating Percent Composition and Determining Empirical Formulas
Learn the difference between the empirical formula and chemical formula. Learn how to calculate the percent composition of an element in a compound. Learn how, if given a percent composition, to determine the empirical formula for a compound.
7. Hydrates: Determining the Chemical Formula From Empirical Data
Learn the definition of a hydrate and an anhydrate in this lesson. Discover how, when given experimental data, you can determine the formula of a hydrate by following simple steps that include finding the moles of hydrate and anhydrate and comparing the two to write the formula.
8. How to Convert Grams to Moles
The mole is a standard unit in chemistry and is a way to measure the amount of a substance. In this lesson, we will learn how to convert the amount of a substance that is measured in grams to moles.
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