Quantifying Atoms - Videos & Lessons

About This Chapter

Get a better understanding of the process of quantifying atoms with these lessons on gas chromatography, Avogadro's number, and molar mass. These brief lessons and quizzes are easy to use and can help you prepare for an exam or test your understanding of key concepts.

Quantifying Atoms - Chapter Summary

During the process of going through these lessons, you can make sure you truly understand the process of quantifying atoms. This interactive chapter can assist you with understanding key topics like how we can count and measure atoms even though they are tiny. After reviewing the lessons, you should be ready to:

Discuss the use of gas chromatography and mass spectrometry
Explain Avogadro's number
Define and calculate molar mass

These lessons can assist you with quickly getting up to speed on quantifying atoms. Our instructors guide you through each lesson while providing a fun learning experience. Vocabulary words are highlighted in bold for quick reference. Each lesson includes a full written transcript that you can print and use as a study guide.

3 Lessons in Chapter 11: Quantifying Atoms

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1. Gas Chromatography & Mass Spectrometry

Scientists interested in identifying the individual chemicals in a mixture use an instrumental method called gas chromatography mass spectrometry or GC-MS. Continue reading to learn about the ins and outs of this fascinating chemistry technique.

2. 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.

3. What is Molar Mass? - Definition, Formula & Examples

Compounds have mass, and this is what we call the molar mass. In this lesson, we will discuss the molar mass and go over examples on how to calculate it.

Chapter Practice Exam

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Practice Final Exam

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