Question

What does one mole of H2O correspond to
A) 16 gms
B) 18 gms
C) 20 gms
D) 22 gms

Answer 1

Ans is 18 grams as weight of 2 atoms of H is 1x2=2gms and weight of one O atom is 16.
Ans= 16+2= 18 gms