Molar and molecular weight of C2H5Br

• Molecular formula: C2H5Br or CH3CH2Br
• Relative molecular weight of C2H5Br: 108.9651
• Molar mass of C2H5Br: 108.9651 g/mol (0.10897 kg/mol)

Calculation of the relative molecular and molar mass of C2H5Br

• Mr[C2H5Br] = Ar[C] * 2 + Ar[H] * 5 + Ar[Br] = 12.0107 * 2 + 1.00794 * 5 + 79.904 = 108.9651
• Molar mass (kg/mol) = Mr[C2H5Br] : 1000 = 108.9651 : 1000 = 0.10897 kg/mol

C2H5Br: percent composition by element

• Carbon (C) = 24.0214 : 108.9651 * 100 = 22.045 %
• Hydrogen (H) = 5.0397 : 108.9651 * 100 = 4.625 %
• Bromine (Br) = 79.904 : 108.9651 * 100 = 73.33 %

Molar mass calculator