Molar and molecular weight of C4H7ClO2

• Molecular formula: C4H7ClO2 or ClCH2COOC2H5
• Relative molecular weight of C4H7ClO2: 122.55018
• Molar mass of C4H7ClO2: 122.55018 g/mol (0.12255 kg/mol)

Calculation of the relative molecular and molar mass of C4H7ClO2

• Mr[C4H7ClO2] = Ar[C] * 4 + Ar[H] * 7 + Ar[Cl] + Ar[O] * 2 = 12.0107 * 4 + 1.00794 * 7 + 35.453 + 15.9994 * 2 = 122.55018
• Molar mass (kg/mol) = Mr[C4H7ClO2] : 1000 = 122.55018 : 1000 = 0.12255 kg/mol

C4H7ClO2: percent composition by element

• Carbon (C) = 48.0428 : 122.55018 * 100 = 39.203 %
• Hydrogen (H) = 7.05558 : 122.55018 * 100 = 5.757 %
• Chlorine (Cl) = 35.453 : 122.55018 * 100 = 28.929 %
• Oxygen (O) = 31.9988 : 122.55018 * 100 = 26.111 %

Molar mass calculator