Question

what is molucular Mass​

Answer 1

Answer:

The molecular mass is the mass of a given molecule: it is measured in unified atomic mass units. Different molecules of the same compound may have different molecular masses because they contain different isotopes of an element.

Answer 2

$\huge\underline\purple{Answer:-}$

Molecular mass is a number equal to the sum of the atomic masses of the atoms in a molecule. The molecular mass gives the mass of a molecule relative to that of the 12C atom, which is taken to have a mass of 12.