Molar mass

Molar Mass of Benzoyl Peroxide

The molar mass of benzoyl peroxide (C14H10O4) is 242.23 g/mol.

Benzoyl Peroxide at a glance

PropertyValue
Molar mass242.23 g/mol
Molecular weight242.23 u
Chemical formulaC14H10O4
Monoisotopic mass242.057909 u
CAS number94-36-0
PubChem CID7187

How to calculate the molar mass of benzoyl peroxide

14 × 12.011 + 10 × 1.008 + 4 × 15.999 = 242.23 g/mol

  1. Count the atoms in C14H10O4: C 14, H 10, O 4.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 242.23 g/mol.

Elemental composition of benzoyl peroxide

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon1412.011168.15469.419%
H Hydrogen101.00810.084.1613%
O Oxygen415.99963.99626.42%

Grams and moles of benzoyl peroxide

AmountEquals
1 g0.0041283 mol
10 g0.041283 mol
100 g0.41283 mol
0.1 mol24.223 g
1 mol242.23 g
1 g, in particles2.4861 × 10^21