Molar and molecular weight of Pb

• Relative molecular weight of Pb: 207.2
• Molar mass of Pb: 207.2 g/mol (0.2072 kg/mol)

Calculation of the relative molecular and molar mass of Pb

• Mr[Pb] = Ar[Pb] = 207.2 = 207.2
• Molar mass (kg/mol) = Mr[Pb] : 1000 = 207.2 : 1000 = 0.2072 kg/mol

Molar mass calculator