Molar mass

Molar Mass of Acetaminophen

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

Acetaminophen at a glance

PropertyValue
Molar mass151.165 g/mol
Molecular weight151.165 u
Chemical formulaC8H9NO2
Monoisotopic mass151.063329 u
CAS number103-90-2
PubChem CID1983

How to calculate the molar mass of acetaminophen

8 × 12.011 + 9 × 1.008 + 1 × 14.007 + 2 × 15.999 = 151.165 g/mol

  1. Count the atoms in C8H9NO2: C 8, H 9, N 1, O 2.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 151.165 g/mol.

Elemental composition of acetaminophen

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon812.01196.08863.565%
H Hydrogen91.0089.0726.0014%
N Nitrogen114.00714.0079.266%
O Oxygen215.99931.99821.168%

Grams and moles of acetaminophen

AmountEquals
1 g0.0066153 mol
10 g0.066153 mol
100 g0.66153 mol
0.1 mol15.117 g
1 mol151.17 g
1 g, in particles3.9838 × 10^21