Molar mass of acetaminophen (C8H9NO2)

The molar mass of acetaminophen (C8H9NO2) is 151.165 g/mol.

paracetamol

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 8 12.011 = 96.088
Hydrogen × 9 1.008 = 9.072
Nitrogen × 1 14.007 = 14.007
Oxygen × 2 15.999 = 31.998
Total151.165 g/mol

Percent composition by element

  • Carbon 63.56%
  • Hydrogen 6%
  • Nitrogen 9.27%
  • Oxygen 21.17%

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FAQ

What is the molar mass of C8H9NO2?

The molar mass of acetaminophen (C8H9NO2) is 151.165 g/mol.

How do you calculate the molar mass of C8H9NO2?

Multiply the atomic mass of each element by the number of its atoms in C8H9NO2, then add the results: 8 × 12.011 (C) + 9 × 1.008 (H) + 1 × 14.007 (N) + 2 × 15.999 (O) = 151.165 g/mol.

What percentage of C8H9NO2 is Carbon?

Carbon makes up 63.56% of the mass of acetaminophen (C8H9NO2).