Molar mass of nitrous acid (HNO2)

The molar mass of nitrous acid (HNO2) is 47.013 g/mol.

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Hydrogen	× 1	1.008	= 1.008
Nitrogen	× 1	14.007	= 14.007
Oxygen	× 2	15.999	= 31.998
Total			47.013 g/mol

Percent composition by element

Hydrogen 2.14%
Nitrogen 29.79%
Oxygen 68.06%

Try another formula

H₂O NaCl CO₂ C₆H₁₂O₆ H₂SO₄ Ca(OH)₂ CuSO₄·5H₂O C₈H₁₀N₄O₂

Could not read that formula

Related compounds

NH₄NO₃ Ammonium nitrate C₈H₁₀N₄O₂ Caffeine HNO₃ Nitric acid NH₄OH Ammonium hydroxide CO(NH₂)₂ Urea C₈H₉NO₂ Acetaminophen

FAQ

What is the molar mass of HNO2?

The molar mass of nitrous acid (HNO2) is 47.013 g/mol.

How do you calculate the molar mass of HNO2?

Multiply the atomic mass of each element by the number of its atoms in HNO2, then add the results: 1 × 1.008 (H) + 1 × 14.007 (N) + 2 × 15.999 (O) = 47.013 g/mol.

What percentage of HNO2 is Oxygen?

Oxygen makes up 68.06% of the mass of nitrous acid (HNO2).