Question

molecular mass defination​

Answer 1

Answer:

In chemistry, the molar/molecular mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance in that sample

Explanation:

Answer 2

Answer:

Molecular mass of a substance is defined as the sum of the atomic masses of all the atoms present in a molecule of a substance.

Therefore the relative mass of a molecule is expressed as atomic mass units. (amu)

Hope it helps (✿^‿^)