Molar and molecular weight of InBr3

• Molecular formula: InBr3 or Br3In
• Relative molecular weight of InBr3: 354.53
• Molar mass of InBr3: 354.53 g/mol (0.35453 kg/mol)

Calculation of the relative molecular and molar mass of InBr3

• Mr[InBr3] = Ar[Br] * 3 + Ar[In] = 79.904 * 3 + 114.818 = 354.53
• Molar mass (kg/mol) = Mr[InBr3] : 1000 = 354.53 : 1000 = 0.35453 kg/mol

InBr3: percent composition by element

• Bromine (Br) = 239.712 : 354.53 * 100 = 67.614 %
• Indium (In) = 114.818 : 354.53 * 100 = 32.386 %

Molar mass calculator