How is stoichiometry used to calculate the mass of a substance?
O
A. Unit conversion factors are used to convert between units of
grams and moles.
O
B. Oxidation numbers are used to convert from moles of one
molecule to moles of another molecule.
O
C. Subscripts in chemical formulas are used to calculate amounts of
substances.
O
D. Percent contributions are used to convert between molar mass
and mass.
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