Molar and molecular weight of C3H8O3

• Molecular formula: C3H8O3 or HOCH2CH(OH)CH2OH
• Relative molecular weight of C3H8O3: 92.09382
• Molar mass of C3H8O3: 92.09382 g/mol (0.09209 kg/mol)

Calculation of the relative molecular and molar mass of C3H8O3

• Mr[C3H8O3] = Ar[C] * 3 + Ar[H] * 8 + Ar[O] * 3 = 12.0107 * 3 + 1.00794 * 8 + 15.9994 * 3 = 92.09382
• Molar mass (kg/mol) = Mr[C3H8O3] : 1000 = 92.09382 : 1000 = 0.09209 kg/mol

C3H8O3: percent composition by element

• Carbon (C) = 36.0321 : 92.09382 * 100 = 39.125 %
• Hydrogen (H) = 8.06352 : 92.09382 * 100 = 8.756 %
• Oxygen (O) = 47.9982 : 92.09382 * 100 = 52.119 %

Molar mass calculator