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Chapter 9 - Stoichiometry
Vocabulary/Key Terms
8
Chemistry
Not Applicable
03/16/2004

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Term
composition stoichiometry
Definition
calculations involving the mass relationships of elements in compounds
Term
reaction stoichiometry
Definition
calculations involving the mass relationships between reactants and products in a chemical reaction
Term
mole ratio
Definition
a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
Term
limiting reactant
Definition
the reactant that limits the amounts of the other reactants that can combine - and the amount of product that can form - in a chemical reaction
Term
excess reactant
Definition
the substance that is not completely used up in a reaction
Term
theoretical yield
Definition
the maximum amount of product that can be produced from a given amount of reactant
Term
percent yield
Definition
the ratio of the actual yield to the theoretical yield, multiplied by 100
Term
actual yield
Definition
the measured amount of a product obtained from a reaction
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