Molar mass of ammonium nitrate (NH4NO3)

The molar mass of ammonium nitrate (NH4NO3) is 80.043 g/mol.

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Nitrogen	× 2	14.007	= 28.014
Hydrogen	× 4	1.008	= 4.032
Oxygen	× 3	15.999	= 47.997
Total			80.043 g/mol

Percent composition by element

Nitrogen 35%
Hydrogen 5.04%
Oxygen 59.96%

Ammonium nitrate facts

Ammonium nitrate is a white crystalline salt that is very soluble in water.
It is one of the most widely used nitrogen fertilizers and is also the main ingredient in mining explosives such as ANFO.
It absorbs heat as it dissolves in water, which is why it is used in instant cold packs.

Try another formula

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

Could not read that formula

Related compounds

C₈H₁₀N₄O₂ Caffeine HNO₃ Nitric acid NH₄OH Ammonium hydroxide HNO₂ Nitrous acid CO(NH₂)₂ Urea C₈H₉NO₂ Acetaminophen

FAQ

What is the molar mass of NH4NO3?

The molar mass of ammonium nitrate (NH4NO3) is 80.043 g/mol.

How do you calculate the molar mass of NH4NO3?

Multiply the atomic mass of each element by the number of its atoms in NH4NO3, then add the results: 2 × 14.007 (N) + 4 × 1.008 (H) + 3 × 15.999 (O) = 80.043 g/mol.

What percentage of NH4NO3 is Oxygen?

Oxygen makes up 59.96% of the mass of ammonium nitrate (NH4NO3).