Question

4. Calculate the molecular mass of water?
Ans.​

Answer 1

HERE U GO ........

WATER =H2O , MOLECULAR MASS OF H20 IS 18G/MOL.

HOPE IT HELPS U.....☺☺☺

Answer 2

Molecular mass of water = atomic mass of hydrogen × no. of atoms + atomic mass of oxygen

i.e. ( 1 × 2 ) + 16= 18u

so the molecular mass of water (H2O) is 18 u