Molar and molecular weight of Os

• Relative molecular weight of Os: 190.23
• Molar mass of Os: 190.23 g/mol (0.19023 kg/mol)

Calculation of the relative molecular and molar mass of Os

• Mr[Os] = Ar[Os] = 190.23 = 190.23
• Molar mass (kg/mol) = Mr[Os] : 1000 = 190.23 : 1000 = 0.19023 kg/mol

Molar mass calculator