VCE Chemistry: Exam Prep & Study Guide
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Ch 11: Quantifying Atoms

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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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Gas Chromatography & Mass Spectrometry

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

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

Atoms are microscopic and challenging to count as a result. Learn about the importance of understanding the mole, which is simply a large number or quantity of something, also known as Avogadro's number, and how it helps scientists count large numbers of atoms.
What is Molar Mass? - Definition, Formula & Examples

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

Molar mass is a unit of calculation that describes the sum of the mass of a substance per mole. Learn the formula used to calculate the molar mass of substances, and understand its usefulness through an example problem.
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