Question

define molecular mass of substance​

Answer 1

Explanation:

The sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses of hydrogen, carbon, nitrogen, and oxygen are 1, 12, 14, and 16, respectively. For example, the molecular mass of water, which has two atoms of hydrogen and one atom of oxygen, is 18 (i.e., 2 + 16)

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Answer 2

Answer:

The sum of the atomic masses of different atoms present in a molecule.

Explanation:

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