Molar mass of chlorine gas (Cl2)

The molar mass of chlorine gas (Cl2) is 70.9 g/mol.

chlorine

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Chlorine × 2 35.45 = 70.9
Total70.9 g/mol

Percent composition by element

  • Chlorine 100%

Try another formula

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

Could not read that formula

Related compounds

NaCl Sodium chloride KCl Potassium chloride HCl Hydrochloric acid KClO3 Potassium chlorate AgCl Silver chloride MgCl2 Magnesium chloride

FAQ

What is the molar mass of Cl2?

The molar mass of chlorine gas (Cl2) is 70.9 g/mol.

How do you calculate the molar mass of Cl2?

Multiply the atomic mass of each element by the number of its atoms in Cl2, then add the results: 2 × 35.45 (Cl) = 70.9 g/mol.

What percentage of Cl2 is Chlorine?

Chlorine makes up 100% of the mass of chlorine gas (Cl2).