| A | B |
| Mole | SI unit for quantity |
| Molar Mass | The mass in 1 mole of a substance |
| Mole Ratio | Conversion Factor using the coefficients from a balanced chemical equation |
| Balanced Chemical Equation | First step in solving stoichiometry problem |
| Stoichiometry | The mathmatical process of determining theoretical yield |
| Limiting Reactant | Reactant that limits the amounts of product formed |
| Excess Reactant | Reactant not completely used up |
| Actual Yield | Lab Results |
| Theroetical Yield | The maximun amount of product that can be formed |
| Coefficient | Whole number in front of a formula in a chemical equation |
| Limiting Reactant | The reactant used up first in a reaction |
| Coefficients | Used to balance a chemical equation |
| Percent Yield | Ratio of actual yield to theoretical yield |
| Theoretical Yield | The amount of product determined by stoichiometry |
| Mole Ratio | Conversion factor used in every stoichiometry problem |
| Mole Ratio | The conversion factor that allows the seitch from one substance to another |