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Chapter 11: Stoichiometry
www.mcvts.netThe chemical equation does not directly tell you anything about the masses of the reactants and products. However, by converting the known mole quantities to mass, the mass relationships become obvious. Recall that moles are converted to mass by multiplying by the molar mass. The masses of the reactants are as follows. 4 mol Fe × 55.85 g Fe ...
Molecular Formula: Example
www.chem.tamu.edufrom chemical reactions ... 1 mole 2 moles 1 mole 2 moles ... Since we know the molar mass of each substance we can also establish the mass relationships: CH 4 + 2O 2 → CO 2 + 2H 2O 1 mole 2 moles 1 mole 2 moles x 16.0 g/mol 32.0 g/mol 44.0 …