Question

molecular mass of nitric acid ?

Answer 1

HNO3

hydrogen= 1

nitrogen =14

oxygen= 16  

1+14+16 X 3

15 +48

63 gram/ mole

Answer 2

Here is your answer.

Nitric acid(HNO3).

H = 1.
N = 14
O = 16.

Molecular mass of HNO3 = 1 + 14 + 16 × 3
. . = 63

Hope it helps you.