What is the relationship between the formula weight of a substance and it’s molar mass
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The no. of grams in 1 mol is the same as the no. of atomic mass units that describe the atomic mass, the molecular mass, or the formula mass, respectively.
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The formula mass (formula weight) of a molecule is the sum of the atomic weights of the atoms in its empirical formula. The molecular mass (molecular weight) of a molecule is its average mass as calculated by adding together the atomic weights of the atoms in the molecular formula.
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