Molar and molecular weight of CH3COCOOH

• Molecular formula: CH3COCOOH or C3H4O3
• Relative molecular weight of CH3COCOOH: 88.06206
• Molar mass of CH3COCOOH: 88.06206 g/mol (0.08806 kg/mol)

Calculation of the relative molecular and molar mass of CH3COCOOH

• Mr[CH3COCOOH] = Ar[C] * 3 + Ar[H] * 4 + Ar[O] * 3 = 12.0107 * 3 + 1.00794 * 4 + 15.9994 * 3 = 88.06206
• Molar mass (kg/mol) = Mr[CH3COCOOH] : 1000 = 88.06206 : 1000 = 0.08806 kg/mol

CH3COCOOH: percent composition by element

• Carbon (C) = 36.0321 : 88.06206 * 100 = 40.917 %
• Hydrogen (H) = 4.03176 : 88.06206 * 100 = 4.578 %
• Oxygen (O) = 47.9982 : 88.06206 * 100 = 54.505 %

Molar mass calculator