Nitric acid · HNO3

Nitric acid: formula HNO3, atom count, element breakdown and calculated molar mass.

CompoundHNO₃

HNO₃

Molar mass63.012 g/mol

Atoms5

Elements3

Hydrogen

1 × 1.008 · 1.60%

1.0080

Nitrogen

1 × 14.007 · 22.23%

14.0070

Oxygen

3 × 15.999 · 76.17%

47.9970

The formula HNO₃ contains 5 atoms in total. Numbers after element symbols show how many atoms of each element are present.

Molar mass is the sum of the contributions shown above. The percentages show how much each element contributes to the total mass.