Question

What is molecular mass ?​

Answer 1

Answer:

The molecular mass of a substance is the number of times the molecule of the substance is heavier than one-twelth the mass of an atom of carbon -12

Answer 2

ANSWER

The molecular mass of a substance is the number of times the molecule of the substance is heavier than one-twelth the mass of an atom of carbon-12, or the molecular mass is equal to the sum of its atomic mass of all the atoms present in one molecule of a substance.

Example: Water (H2O)

hope it helps ☺️