Molar and molecular weight of C7H7NO3

• Molecular formula: C7H7NO3 or H2NC6H3(OH)COOH
• Relative molecular weight of C7H7NO3: 153.13538
• Molar mass of C7H7NO3: 153.13538 g/mol (0.15314 kg/mol)

Calculation of the relative molecular and molar mass of C7H7NO3

• Mr[C7H7NO3] = Ar[C] * 7 + Ar[H] * 7 + Ar[N] + Ar[O] * 3 = 12.0107 * 7 + 1.00794 * 7 + 14.0067 + 15.9994 * 3 = 153.13538
• Molar mass (kg/mol) = Mr[C7H7NO3] : 1000 = 153.13538 : 1000 = 0.15314 kg/mol

C7H7NO3: percent composition by element

• Carbon (C) = 84.0749 : 153.13538 * 100 = 54.902 %
• Hydrogen (H) = 7.05558 : 153.13538 * 100 = 4.607 %
• Nitrogen (N) = 14.0067 : 153.13538 * 100 = 9.147 %
• Oxygen (O) = 47.9982 : 153.13538 * 100 = 31.344 %

Molar mass calculator