Molar and molecular weight of CH3CH2COOH

• Molecular formula: CH3CH2COOH or C3H6O2
• Relative molecular weight of CH3CH2COOH: 74.07854
• Molar mass of CH3CH2COOH: 74.07854 g/mol (0.07408 kg/mol)

Calculation of the relative molecular and molar mass of CH3CH2COOH

• Mr[CH3CH2COOH] = Ar[C] * 3 + Ar[H] * 6 + Ar[O] * 2 = 12.0107 * 3 + 1.00794 * 6 + 15.9994 * 2 = 74.07854
• Molar mass (kg/mol) = Mr[CH3CH2COOH] : 1000 = 74.07854 : 1000 = 0.07408 kg/mol

CH3CH2COOH: percent composition by element

• Carbon (C) = 36.0321 : 74.07854 * 100 = 48.64 %
• Hydrogen (H) = 6.04764 : 74.07854 * 100 = 8.164 %
• Oxygen (O) = 31.9988 : 74.07854 * 100 = 43.196 %

Molar mass calculator