| A | B |
| mole | unit of measurement for molecules/atoms |
| molar mass | how many grams are in one mole |
| Avagadro's number | how many molecules are in a mole |
| mole to mole ratio | use when you're trying to convert from moles of A to moles of B |
| balanced chemical equation | necessary for stoichiometric calculation |
| molarity | concentration of a solution; moles/Liter |
| dilution | changing the molarity of a solution (M1V1= M2V2) |
| percent composition | mass of element/mass of compound x 100 |