Timberlake LecturePLUS1 Chapter 9 Empirical Formulas.
Molar Mass and Mole Calculation Problems. Molar Mass You need to calculate molar mass if you have more than one atom in a problem. It’s easy… just add.
Chapter 7 Chemical Quantities The Mole Atomic Mass and Formula Mass Copyright © 2008 by Pearson Education, Inc. Publishing as Benjamin Cummings.
Chemistry 103 Lecture 13. Outline I. The MOLE continued…. II. Determining Chemical Formulas Percent Composition (review) Empirical/Molecular Formulas.
Chemical Composition Moles! Moles! Moles!. Little Problem I have a sample of CO 2 that contains 3 moles oxygen, how many grams of carbon do I have? A.
Why is Knowledge of Composition Important? Because everything in nature is either chemically or physically combined with other substances it is necessary.
Chemistry 10.3 “Percent Composition and Chemical Formulas”
