| Term | Definition |
|---|
| actual yield | the amount of product that forms when a reaction is carried out in the laboratory |
| excess reagent | a reagent present in a quantity tha tis more than sufficient to react with a limiting reagent; any reactant that remains after the limiting reagent is used up in a chemical reaction |
| limiting reagent | any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction |
| mole ratio | a conversion factor devired from the coefficients of a balanced chemical equation interpreted in terms of moles |
| percent yield | the ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; a measure of the efficiency of a reaction |
| stoichiometry | that portion of chemistry dealing with numerical relationships in chemical reactions; the calculation of quantities of substances involved in chemical equations |
| theoretical yield | the amount of product that could form during a chemical reaction calculated from a balanced chemical equation; it represents the maximum amount of product that could be formed from a given amount of reactant |
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