Unit 1 · Atomic Structure and Properties
Chapter 1.2
What Is It Made Of: Empirical Formulas and the Composition of Mixtures
Burn a sample, weigh the carbon dioxide and water that come off, and you can name the compound you started with. The same arithmetic tells you how pure a sample is.
lesson 2 of 45
By the end
- 01Explain the law of definite proportions with a particle picture of a pure compound
- 02Turn percent composition by mass into an empirical formula
- 03Distinguish a pure substance from a mixture at the particle level
- 04Compute the makeup or purity of a mixture from elemental analysis data