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Chemistry 5/3/12

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Molar mass
the mass in grams of one mole of a substance
mole ratio
In a balanced equation, the ratio between the numbers of moles of any two substances.
stoichiometry
the study of quantitative relationships between amounts of reactants used and products formed by a chemical reaction
limiting reactant
a reactant that is totally consumed during a chemical reaction, limits the extent of the reaction, and determines the amount of product
Excess reactant
a reactant that remains after a chemical reaction stops
Theoretical yeild
In a chemical reaction, the maximum amount of product that can be produced from a given amount of reactant.
Actual yeild
the amount of product actually produced when a chemical reaction is carried out in an experiment
Perecent yeild
The ratio of actual yield(from an experiement) to theoretical yeild ( from stoichiometric yeild) expressed as a percent.