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Stoichiometry (The Mole (Definitions (Molar mass (Used to be able to count…
Stoichiometry
The Mole
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Definitions
Stoichiometry - is a section of chemistry that involves using relationships between reactants and/or products.
Used to find out how much of a substance we will have in a chemical reaction based on the amount of reactants
Mole - The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C
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Molar volume: the volume occupied by one mole of a substance (chemical element or chemical compound) at a given temperature and pressure.
Mole Ratio: the ratio between the amounts in moles of any two compounds involved in a chemical reaction.
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Percent Yeild
Percent yield- the ratio of actual yield to the theoretical yield. It is calculated to be the experimental yield divided by theoretical yield multiplied by 100. Usually less than 100%
Theoretical yield- amount predicted in a stociometric calculation based on the number of moles of the reactants
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Limiting Reactants
Excess reactant- the reactant in a chemical reaction with a greater amount than necessary to react completely with the limiting reactant.
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