Molar and molecular weight of HfBr4

• Relative molecular weight of HfBr4: 498.106
• Molar mass of HfBr4: 498.106 g/mol (0.49811 kg/mol)

Calculation of the relative molecular and molar mass of HfBr4

• Mr[HfBr4] = Ar[Hf] + Ar[Br] * 4 = 178.49 + 79.904 * 4 = 498.106
• Molar mass (kg/mol) = Mr[HfBr4] : 1000 = 498.106 : 1000 = 0.49811 kg/mol

HfBr4: percent composition by element

• Hafnium (Hf) = 178.49 : 498.106 * 100 = 35.834 %
• Bromine (Br) = 319.616 : 498.106 * 100 = 64.166 %

Molar mass calculator