Molar and molecular weight of Si

• Relative molecular weight of Si: 28.0855
• Molar mass of Si: 28.0855 g/mol (0.02809 kg/mol)

Calculation of the relative molecular and molar mass of Si

• Mr[Si] = Ar[Si] = 28.0855 = 28.0855
• Molar mass (kg/mol) = Mr[Si] : 1000 = 28.0855 : 1000 = 0.02809 kg/mol

Molar mass calculator