Molar and molecular weight of C7H5NaO2

• Molecular formula: C7H5NaO2 or NaC7H5O2
• Relative molecular weight of C7H5NaO2: 144.10316928
• Molar mass of C7H5NaO2: 144.10316928 g/mol (0.1441 kg/mol)

Calculation of the relative molecular and molar mass of C7H5NaO2

• Mr[C7H5NaO2] = Ar[C] * 7 + Ar[H] * 5 + Ar[Na] + Ar[O] * 2 = 12.0107 * 7 + 1.00794 * 5 + 22.98976928 + 15.9994 * 2 = 144.10316928
• Molar mass (kg/mol) = Mr[C7H5NaO2] : 1000 = 144.10316928 : 1000 = 0.1441 kg/mol

C7H5NaO2: percent composition by element

• Carbon (C) = 84.0749 : 144.10316928 * 100 = 58.344 %
• Hydrogen (H) = 5.0397 : 144.10316928 * 100 = 3.497 %
• Sodium (Na) = 22.98976928 : 144.10316928 * 100 = 15.954 %
• Oxygen (O) = 31.9988 : 144.10316928 * 100 = 22.205 %

Molar mass calculator