Molar and molecular weight of C8H9NO2

• Molecular formula: C8H9NO2 or HOC6H4NHCOCH3
• Relative molecular weight of C8H9NO2: 151.16256
• Molar mass of C8H9NO2: 151.16256 g/mol (0.15116 kg/mol)

Calculation of the relative molecular and molar mass of C8H9NO2

• Mr[C8H9NO2] = Ar[C] * 8 + Ar[H] * 9 + Ar[N] + Ar[O] * 2 = 12.0107 * 8 + 1.00794 * 9 + 14.0067 + 15.9994 * 2 = 151.16256
• Molar mass (kg/mol) = Mr[C8H9NO2] : 1000 = 151.16256 : 1000 = 0.15116 kg/mol

C8H9NO2: percent composition by element

• Carbon (C) = 96.0856 : 151.16256 * 100 = 63.564 %
• Hydrogen (H) = 9.07146 : 151.16256 * 100 = 6.001 %
• Nitrogen (N) = 14.0067 : 151.16256 * 100 = 9.266 %
• Oxygen (O) = 31.9988 : 151.16256 * 100 = 21.168 %

Molar mass calculator