Molar mass

Molar Mass of Benzoic Acid

The molar mass of benzoic acid (C6H5COOH) is 122.123 g/mol.

Benzoic Acid at a glance

PropertyValue
Molar mass122.123 g/mol
Molecular weight122.123 u
Chemical formulaC6H5COOH
Monoisotopic mass122.036779 u
CAS number65-85-0
PubChem CID243

How to calculate the molar mass of benzoic acid

7 × 12.011 + 6 × 1.008 + 2 × 15.999 = 122.123 g/mol

  1. Count the atoms in C6H5COOH: C 7, H 6, O 2.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 122.123 g/mol.

Elemental composition of benzoic acid

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon712.01184.07768.846%
H Hydrogen61.0086.0484.9524%
O Oxygen215.99931.99826.201%

Grams and moles of benzoic acid

AmountEquals
1 g0.0081885 mol
10 g0.081885 mol
100 g0.81885 mol
0.1 mol12.212 g
1 mol122.12 g
1 g, in particles4.9312 × 10^21