Molar mass

Molar Mass of Ozone

The molar mass of ozone (O3) is 47.997 g/mol.

Ozone at a glance

PropertyValue
Molar mass47.997 g/mol
Molecular weight47.997 u
Chemical formulaO3
Monoisotopic mass47.9847439 u
CAS number10028-15-6
PubChem CID24823

How to calculate the molar mass of ozone

3 × 15.999 = 47.997 g/mol

  1. Count the atoms in O3: O 3.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 47.997 g/mol.

Elemental composition of ozone

ElementAtomsAtomic weightMass (g/mol)Mass %
O Oxygen315.99947.997100%

Grams and moles of ozone

AmountEquals
1 g0.020835 mol
10 g0.20835 mol
100 g2.0835 mol
0.1 mol4.7997 g
1 mol47.997 g
1 g, in particles1.2547 × 10^22