Molar and molecular weight of C3H8

• Molecular formula: C3H8 or CH3CH2CH3
• Relative molecular weight of C3H8: 44.09562
• Molar mass of C3H8: 44.09562 g/mol (0.0441 kg/mol)

Calculation of the relative molecular and molar mass of C3H8

• Mr[C3H8] = Ar[C] * 3 + Ar[H] * 8 = 12.0107 * 3 + 1.00794 * 8 = 44.09562
• Molar mass (kg/mol) = Mr[C3H8] : 1000 = 44.09562 : 1000 = 0.0441 kg/mol

C3H8: percent composition by element

• Carbon (C) = 36.0321 : 44.09562 * 100 = 81.714 %
• Hydrogen (H) = 8.06352 : 44.09562 * 100 = 18.286 %

Molar mass calculator