Ch 13: Quantitative Chemistry

About This Chapter

In this overview of quantitative chemistry, learn about topics like mass changes with gases, Avogadro's number, and formula mass of a compound. You can use these informative video lessons for help when completing a homework assignment or preparing for a test.

Quantitative Chemistry - Chapter Summary

This chapter includes lessons on quantitative chemistry. There are enjoyable discussions covering concentration of solutions, calculating the percentage atom economy of a reaction, and other important topics related to quantitative chemistry. You can review information about Avogadro's number, look at what causes changes in mass and see how to figure reaction yield. After completing the chapter, you should be prepared to:

  • Define the law of conservation of mass
  • Understand the formula mass of a compound
  • Discuss mass changes with gases
  • Explain how to convert grams to moles
  • Understand Avogadro's number and molar volume
  • Discuss mole-to-mole ratios and calculations of a chemical equation
  • Describe limiting reactants and calculating excess reactants
  • Calculate reaction yield and percentage yield from a limiting reactant

We use short text and video lessons, which help you easily understand the information presented. Our expert instructors employ an engaging teaching style and use plenty of examples. The video timelines let you navigate the videos and jump straight to the topics that are of greatest interest to you. Each lesson includes a short multiple-choice quiz to test your knowledge. Quizzes have links back to specific topics in the video.

11 Lessons in Chapter 13: Quantitative Chemistry
Test your knowledge with a 30-question chapter practice test
The Law of Conservation of Mass: Definition, Equation & Examples

1. The Law of Conservation of Mass: Definition, Equation & Examples

Read about the law of conservation of mass, its role in chemistry, and its importance in the universe. Learn the equation, review examples, and test your knowledge of the material with a short quiz.

Formula Mass of a Compound: Definition & Formula

2. Formula Mass of a Compound: Definition & Formula

You can't put a molecule on a scale to determine its mass, so how can you figure it out? This lesson will give you the steps you need to calculate the formula mass of a compound and then will briefly discuss mass spectroscopy.

Mass Changes with Gases

3. Mass Changes with Gases

In this lesson, we will discover why some reactions seem to disobey the law that matter cannot be created or destroyed because the starting and ending mass appear to be different.

How to Convert Grams to Moles

4. 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.

Avogadro's Number: Using the Mole to Count Atoms

5. Avogadro's Number: Using the Mole to Count Atoms

How do we move from the atomic world to the regular world? Because atoms are so tiny, how can we count and measure them? And what do chemists celebrate at 6:02 AM on October 23rd each year? In this lesson, you will be learning how Avogadro's number and the mole can answer these questions.

Mole-to-Mole Ratios and Calculations of a Chemical Equation

6. 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.

Limiting Reactants & Calculating Excess Reactants

7. Limiting Reactants & Calculating Excess Reactants

In this lesson, you'll learn what limiting reactant and excess reactant mean and how to determine which reactant is limiting in a chemical reaction when given the amount of each reactant. You'll also discover how to calculate the amount of product produced.

Concentration of Solutions: Definition & Levels

8. Concentration of Solutions: Definition & Levels

In this lesson, we learn about solutions and what makes up a solution. We also look at solution concentration levels and how to calculate the concentration of a solution.

Calculating Reaction Yield and Percentage Yield from a Limiting Reactant

9. 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.

Calculating the Percentage Atom Economy of a Reaction

10. Calculating the Percentage Atom Economy of a Reaction

In this lesson, we'll explore the meaning of atom economy as applied to a chemical reaction. You'll learn to calculate the percentage atom economy of a reaction and how to calculate it to form a desired product.

Molar Volume: Using Avogadro's Law to Calculate the Quantity or Volume of a Gas

11. Molar Volume: Using Avogadro's Law to Calculate the Quantity or Volume of a Gas

Have you ever wondered why a balloon expands when you blow it up? How something as light as air is able to exert a force large enough to inflate a balloon? In this lesson, you will learn about the relationship between the volume of a container filled with a gas and the number of gas particles that container holds. This relationship is known as Avogadro's Law.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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