Molar and molecular weight of C7H5Cl3O

• Molecular formula: C7H5Cl3O or CH3OC6H2Cl3
• Relative molecular weight of C7H5Cl3O: 211.473
• Molar mass of C7H5Cl3O: 211.473 g/mol (0.21147 kg/mol)

Calculation of the relative molecular and molar mass of C7H5Cl3O

• Mr[C7H5Cl3O] = Ar[C] * 7 + Ar[H] * 5 + Ar[Cl] * 3 + Ar[O] = 12.0107 * 7 + 1.00794 * 5 + 35.453 * 3 + 15.9994 = 211.473
• Molar mass (kg/mol) = Mr[C7H5Cl3O] : 1000 = 211.473 : 1000 = 0.21147 kg/mol

C7H5Cl3O: percent composition by element

• Carbon (C) = 84.0749 : 211.473 * 100 = 39.757 %
• Hydrogen (H) = 5.0397 : 211.473 * 100 = 2.383 %
• Chlorine (Cl) = 106.359 : 211.473 * 100 = 50.294 %
• Oxygen (O) = 15.9994 : 211.473 * 100 = 7.566 %

Molar mass calculator