Molar and molecular weight of C4H8O2

• Molecular formula: C4H8O2 or CH3COOC2H5
• Relative molecular weight of C4H8O2: 88.10512
• Molar mass of C4H8O2: 88.10512 g/mol (0.08811 kg/mol)

Calculation of the relative molecular and molar mass of C4H8O2

• Mr[C4H8O2] = Ar[C] * 4 + Ar[H] * 8 + Ar[O] * 2 = 12.0107 * 4 + 1.00794 * 8 + 15.9994 * 2 = 88.10512
• Molar mass (kg/mol) = Mr[C4H8O2] : 1000 = 88.10512 : 1000 = 0.08811 kg/mol

C4H8O2: percent composition by element

• Carbon (C) = 48.0428 : 88.10512 * 100 = 54.529 %
• Hydrogen (H) = 8.06352 : 88.10512 * 100 = 9.152 %
• Oxygen (O) = 31.9988 : 88.10512 * 100 = 36.319 %

Molar mass calculator