Molar and molecular weight of Fe

• Relative molecular weight of Fe: 55.845
• Molar mass of Fe: 55.845 g/mol (0.05585 kg/mol)

Calculation of the relative molecular and molar mass of Fe

• Mr[Fe] = Ar[Fe] = 55.845 = 55.845
• Molar mass (kg/mol) = Mr[Fe] : 1000 = 55.845 : 1000 = 0.05585 kg/mol

Molar mass calculator