What is the molecular mass of a compound? How will you differentiate it from formula mass?
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molecular mass of a compound is the sum of all elements in the compound. Molecular mass is for molecules while formula mass is for ions.
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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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