Molar Mass of HNO3

How to work out the molar mass of HNO3

1. Count the atoms of each element in HNO3: 1 H, 1 N and 3 O.
2. Multiply each count by the element's atomic weight: 1 × 1.008 = 1.008; 1 × 14.007 = 14.007; 3 × 15.999 = 47.997.
3. Add the results: 1.008 + 14.007 + 47.997 = 63.012 g/mol.

Frequently asked questions

What is the molar mass of HNO3?

The molar mass of nitric acid (HNO3) is 63.012 g/mol, so one mole of it weighs 63.012 grams.

How many moles are in 100 grams of HNO3?

100 g ÷ 63.012 g/mol = 1.587 mol.

Which element makes up most of the mass of HNO3?

O, at 76.17% of the mass.