Molar mass

Molar Mass of Cobalt(II) Nitrate Hexahydrate

The molar mass of cobalt(II) nitrate hexahydrate (Co(NO3)2·6H2O) is 291.0312 g/mol.

Cobalt(II) Nitrate Hexahydrate at a glance

PropertyValue
Molar mass291.0312 g/mol
Molecular weight291.0312 u
Chemical formulaCo(NO3)2·6H2O
CAS number10026-22-9
PubChem CID24821

How to calculate the molar mass of cobalt(II) nitrate hexahydrate

1 × 58.93319 + 2 × 14.007 + 12 × 15.999 + 12 × 1.008 = 291.0312 g/mol

  1. Count the atoms in Co(NO3)2·6H2O: Co 1, N 2, O 12, H 12.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 291.0312 g/mol.

Elemental composition of cobalt(II) nitrate hexahydrate

ElementAtomsAtomic weightMass (g/mol)Mass %
Co Cobalt158.9331958.9331920.25%
N Nitrogen214.00728.0149.6258%
O Oxygen1215.999191.98865.968%
H Hydrogen121.00812.0964.1563%

Grams and moles of cobalt(II) nitrate hexahydrate

AmountEquals
1 g0.0034361 mol
10 g0.034361 mol
100 g0.34361 mol
0.1 mol29.103 g
1 mol291.03 g
1 g, in particles2.0692 × 10^21