Molar and molecular weight of CH3CH2CH3

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

Calculation of the relative molecular and molar mass of CH3CH2CH3

• Mr[CH3CH2CH3] = Ar[C] * 3 + Ar[H] * 8 = 12.0107 * 3 + 1.00794 * 8 = 44.09562
• Molar mass (kg/mol) = Mr[CH3CH2CH3] : 1000 = 44.09562 : 1000 = 0.0441 kg/mol

CH3CH2CH3: 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