Assignment: Chemical Activity #30 Empirical Formulas

 Lesson Objectives:

• Know how to calculate % composition for a given chemical formula (3.17, 3.19)
• Know how to determine empirical formulas from a given % composition (Ex. 3.43, 3.45)
• Know how to determine the molecular formula from the molar mass and empirical formula (3.41)
• Know how to use combustion data to calculate empirical formulas (3.47)