Molar and molecular weight of CuBr2

• Molecular formula: CuBr2 or Br2Cu
• Relative molecular weight of CuBr2: 223.354
• Molar mass of CuBr2: 223.354 g/mol (0.22335 kg/mol)

Calculation of the relative molecular and molar mass of CuBr2

• Mr[CuBr2] = Ar[Br] * 2 + Ar[Cu] = 79.904 * 2 + 63.546 = 223.354
• Molar mass (kg/mol) = Mr[CuBr2] : 1000 = 223.354 : 1000 = 0.22335 kg/mol

CuBr2: percent composition by element

• Bromine (Br) = 159.808 : 223.354 * 100 = 71.549 %
• Copper (Cu) = 63.546 : 223.354 * 100 = 28.451 %

Molar mass calculator