Molar mass

Molar Mass of Hematite

The molar mass of hematite (Fe2O3) is 159.687 g/mol.

Hematite at a glance

PropertyValue
Molar mass159.687 g/mol
Molecular weight159.687 u
Chemical formulaFe2O3
Monoisotopic mass159.854617 u
CAS number1317-60-8
PubChem CID14833

How to calculate the molar mass of hematite

2 × 55.845 + 3 × 15.999 = 159.687 g/mol

  1. Count the atoms in Fe2O3: Fe 2, O 3.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 159.687 g/mol.

Elemental composition of hematite

ElementAtomsAtomic weightMass (g/mol)Mass %
Fe Iron255.845111.6969.943%
O Oxygen315.99947.99730.057%

Grams and moles of hematite

AmountEquals
1 g0.0062623 mol
10 g0.062623 mol
100 g0.62623 mol
0.1 mol15.969 g
1 mol159.69 g
1 g, in particles3.7712 × 10^21