Chapter 8 deals with chemical composition.  We'll be investigating atomic masses, the mole concept, percent composition, and empirical and molecular formulas. 

Here is the presentation for "The Mole" :  H:\AChem\new book\Ch 8\The Mole.mht

Here is the presentation for "Empirical Formulas: H:\AChem\new book\Ch 8\Empirical Formulas.mht

This presentation is for 2/23 or 2/24 "Percent Composition" : C:\Documents and Settings\jvogus\Desktop\% Comp.mht