Molar mass

Molar Mass of Ammonium Nitrate

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

Ammonium Nitrate at a glance

PropertyValue
Molar mass80.043 g/mol
Molecular weight80.043 u
Chemical formulaNH4NO3
Monoisotopic mass80.022192 u
CAS number6484-52-2
PubChem CID22985

How to calculate the molar mass of ammonium nitrate

2 × 14.007 + 4 × 1.008 + 3 × 15.999 = 80.043 g/mol

  1. Count the atoms in NH4NO3: N 2, H 4, O 3.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 80.043 g/mol.

Elemental composition of ammonium nitrate

ElementAtomsAtomic weightMass (g/mol)Mass %
N Nitrogen214.00728.01434.999%
H Hydrogen41.0084.0325.0373%
O Oxygen315.99947.99759.964%

Grams and moles of ammonium nitrate

AmountEquals
1 g0.012493 mol
10 g0.12493 mol
100 g1.2493 mol
0.1 mol8.0043 g
1 mol80.043 g
1 g, in particles7.5236 × 10^21