Molar and molecular weight of O

• Relative molecular weight of O: 15.9994
• Molar mass of O: 15.9994 g/mol (0.016 kg/mol)

Calculation of the relative molecular and molar mass of O

• Mr[O] = Ar[O] = 15.9994 = 15.9994
• Molar mass (kg/mol) = Mr[O] : 1000 = 15.9994 : 1000 = 0.016 kg/mol

Molar mass calculator