Molar and molecular weight of C2H5OH

• Molecular formula: C2H5OH or C2H6O
• Relative molecular weight of C2H5OH: 46.06844
• Molar mass of C2H5OH: 46.06844 g/mol (0.04607 kg/mol)

Calculation of the relative molecular and molar mass of C2H5OH

• Mr[C2H5OH] = Ar[C] * 2 + Ar[H] * 6 + Ar[O] = 12.0107 * 2 + 1.00794 * 6 + 15.9994 = 46.06844
• Molar mass (kg/mol) = Mr[C2H5OH] : 1000 = 46.06844 : 1000 = 0.04607 kg/mol

C2H5OH: percent composition by element

• Carbon (C) = 24.0214 : 46.06844 * 100 = 52.143 %
• Hydrogen (H) = 6.04764 : 46.06844 * 100 = 13.128 %
• Oxygen (O) = 15.9994 : 46.06844 * 100 = 34.73 %

Molar mass calculator