Molar and molecular weight of MoBr3

• Relative molecular weight of MoBr3: 335.652
• Molar mass of MoBr3: 335.652 g/mol (0.33565 kg/mol)

Calculation of the relative molecular and molar mass of MoBr3

• Mr[MoBr3] = Ar[Mo] + Ar[Br] * 3 = 95.94 + 79.904 * 3 = 335.652
• Molar mass (kg/mol) = Mr[MoBr3] : 1000 = 335.652 : 1000 = 0.33565 kg/mol

MoBr3: percent composition by element

• Molybdenum (Mo) = 95.94 : 335.652 * 100 = 28.583 %
• Bromine (Br) = 239.712 : 335.652 * 100 = 71.417 %

Molar mass calculator