Molar and molecular weight of C3H8O2

• Molecular formula: C3H8O2 or CH3CH(OH)CH2OH
• Relative molecular weight of C3H8O2: 76.09442
• Molar mass of C3H8O2: 76.09442 g/mol (0.07609 kg/mol)

Calculation of the relative molecular and molar mass of C3H8O2

• Mr[C3H8O2] = Ar[C] * 3 + Ar[H] * 8 + Ar[O] * 2 = 12.0107 * 3 + 1.00794 * 8 + 15.9994 * 2 = 76.09442
• Molar mass (kg/mol) = Mr[C3H8O2] : 1000 = 76.09442 : 1000 = 0.07609 kg/mol

C3H8O2: percent composition by element

• Carbon (C) = 36.0321 : 76.09442 * 100 = 47.352 %
• Hydrogen (H) = 8.06352 : 76.09442 * 100 = 10.597 %
• Oxygen (O) = 31.9988 : 76.09442 * 100 = 42.051 %

Molar mass calculator