Molecular mass is the sum of the atomic masses of all the atoms in a molecule of a substance, expressed in atomic mass units (u).
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Molecular mass is the sum of the atomic masses of all the atoms in a molecule of a substance, expressed in atomic mass units (u).
Molecular mass is the sum of the masses of all atoms in a molecule. It is expressed in atomic mass units (amu) or grams per mole (g/mol) and provides insight into a molecule’s mass.