Molar mass

Molar Mass of Acetyl Chloride

The molar mass of acetyl chloride (C2H3ClO) is 78.495 g/mol.

Acetyl Chloride at a glance

PropertyValue
Molar mass78.495 g/mol
Molecular weight78.495 u
Chemical formulaC2H3ClO
Monoisotopic mass77.9872424 u
CAS number75-36-5
PubChem CID6367

How to calculate the molar mass of acetyl chloride

2 × 12.011 + 3 × 1.008 + 1 × 35.45 + 1 × 15.999 = 78.495 g/mol

  1. Count the atoms in C2H3ClO: C 2, H 3, Cl 1, O 1.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 78.495 g/mol.

Elemental composition of acetyl chloride

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon212.01124.02230.603%
H Hydrogen31.0083.0243.8525%
Cl Chlorine135.4535.4545.162%
O Oxygen115.99915.99920.382%

Grams and moles of acetyl chloride

AmountEquals
1 g0.01274 mol
10 g0.1274 mol
100 g1.274 mol
0.1 mol7.8495 g
1 mol78.495 g
1 g, in particles7.672 × 10^21