1. Chemical Formulas and Chemical Compounds
Determining Chemical Formulas

2. Compare and Contrast
formaldehyde
Lactic Acid
Acetic Acid

3. What is the formula if the simplest ratio of atoms were used?
Empirical Formulas
C6H12O6
What is the formula if the simplest ratio of atoms were used?
CH2O

4. Empirical and Molecular Formulas
Empirical Formula – simplest whole number ratio of atoms in a compound
Molecular Formula – actual number of atoms in a compound
Formaldehyde, Acetic Acid, Lactic Acid, and glucose all have the same empirical formula