Molar and molecular weight of C2H2Br4

• Molecular formula: C2H2Br4 or Br2CHCHBr2
• Relative molecular weight of C2H2Br4: 345.65328
• Molar mass of C2H2Br4: 345.65328 g/mol (0.34565 kg/mol)

Calculation of the relative molecular and molar mass of C2H2Br4

• Mr[C2H2Br4] = Ar[C] * 2 + Ar[H] * 2 + Ar[Br] * 4 = 12.0107 * 2 + 1.00794 * 2 + 79.904 * 4 = 345.65328
• Molar mass (kg/mol) = Mr[C2H2Br4] : 1000 = 345.65328 : 1000 = 0.34565 kg/mol

C2H2Br4: percent composition by element

• Carbon (C) = 24.0214 : 345.65328 * 100 = 6.95 %
• Hydrogen (H) = 2.01588 : 345.65328 * 100 = 0.583 %
• Bromine (Br) = 319.616 : 345.65328 * 100 = 92.467 %

Molar mass calculator