Molar mass of cobalt(II) chloride (CoCl2)

The molar mass of cobalt(II) chloride (CoCl2) is 129.833 g/mol.

cobalt chloride

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Cobalt × 1 58.933 = 58.933
Chlorine × 2 35.45 = 70.9
Total129.833 g/mol

Percent composition by element

  • Cobalt 45.39%
  • Chlorine 54.61%

Try another formula

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

Could not read that formula

Related compounds

CoCl2·6H2O Cobalt(II) chloride hexahydrate NaCl Sodium chloride KCl Potassium chloride HCl Hydrochloric acid KClO3 Potassium chlorate AgCl Silver chloride

FAQ

What is the molar mass of CoCl2?

The molar mass of cobalt(II) chloride (CoCl2) is 129.833 g/mol.

How do you calculate the molar mass of CoCl2?

Multiply the atomic mass of each element by the number of its atoms in CoCl2, then add the results: 1 × 58.933 (Co) + 2 × 35.45 (Cl) = 129.833 g/mol.

What percentage of CoCl2 is Chlorine?

Chlorine makes up 54.61% of the mass of cobalt(II) chloride (CoCl2).