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atom
The smallest unit of an element.
formula unit
The smallest unit of an ionic compound.
molecule
The smallest unit of a molecular compound.
mole
A unit of measurement used to quantify the amount of a substance.
6.02 x 10^23
The number of particles in a mole.
molar mass
The mass of one mole.
Stoichiometry
Calculating quantities of reactants and products from a chemical equation.
limiting reactant
The reactant that gets used up first.
theoretical yield
The amount of product that should form during the reaction, determines the limiting reactant.
actual yield
The yield that differs from the theoretical yield.
empirical formula
The already reduced formula.
finding an empirical formula
Look for the option that cannot be reduced.
Limiting Reactant
The reactant that is completely consumed first.
Not Determined by Limiting Reactant
Actual yield of product formed in practice.