| A | B |
|---|
| actual yield | the amount of product recovered from the reaction in the lab |
| avogadros number | the number of particles in one mole of a substance |
| excess reactant | a reactant that remains when the reaction stops |
| limiting reactant | a reactant that runs out before the others have been completely used |
| molar mass | is the total mass of one mole of the particles in a substance |
| mole | the SI base unit used to measure the amount of a substance |
| mole ratio | compares the number of moles of any two substances in a balanced equation |
| percent yield | tells the chemist if the reaction was successful or not |
| stoichiometry | the study of the relationship between amounts of reactants and products in a chemical reaction |
| theorectical yield | the maximum amount of product that could have been produced |
| empirical formula | gives the smallest whole number ratio of elements in a compound |
| mass spectrometer | an instrument that separates particles according to their masses and records the relative proportions of these |
| molecular formula | gives the exact number of atoms of each element in a compound |
| percent compostion | the percent by mass of an element in a compound |
