Molar and molecular weight of C7H6Br2Mg

• Relative molecular weight of C7H6Br2Mg: 274.23554
• Molar mass of C7H6Br2Mg: 274.23554 g/mol (0.27424 kg/mol)

Calculation of the relative molecular and molar mass of C7H6Br2Mg

• Mr[C7H6Br2Mg] = Ar[C] * 7 + Ar[H] * 6 + Ar[Br] * 2 + Ar[Mg] = 12.0107 * 7 + 1.00794 * 6 + 79.904 * 2 + 24.305 = 274.23554
• Molar mass (kg/mol) = Mr[C7H6Br2Mg] : 1000 = 274.23554 : 1000 = 0.27424 kg/mol

C7H6Br2Mg: percent composition by element

• Carbon (C) = 84.0749 : 274.23554 * 100 = 30.658 %
• Hydrogen (H) = 6.04764 : 274.23554 * 100 = 2.205 %
• Bromine (Br) = 159.808 : 274.23554 * 100 = 58.274 %
• Magnesium (Mg) = 24.305 : 274.23554 * 100 = 8.863 %

Molar mass calculator