LECTURE 7 CHM 151 ©slg 1. The Mole: Molecules and Compounds 2. % Composition from Formulas 3. Empirical Formula from % Topics:
T HE M OLE The Chemist’s Package. H OW DO WE GROUP THINGS ? Pairs, Dozen, ??? Chemists group chemicals into moles. A mole of any chemical is the same.
