Molar mass

Molar Mass of Ethane

The molar mass of ethane (C2H6) is 30.07 g/mol.

Ethane at a glance

PropertyValue
Molar mass30.07 g/mol
Molecular weight30.07 u
Chemical formulaC2H6
Monoisotopic mass30.0469502 u
CAS number74-84-0
PubChem CID6324

How to calculate the molar mass of ethane

2 × 12.011 + 6 × 1.008 = 30.07 g/mol

  1. Count the atoms in C2H6: C 2, H 6.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 30.07 g/mol.

Elemental composition of ethane

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon212.01124.02279.887%
H Hydrogen61.0086.04820.113%

Grams and moles of ethane

AmountEquals
1 g0.033256 mol
10 g0.33256 mol
100 g3.3256 mol
0.1 mol3.007 g
1 mol30.07 g
1 g, in particles2.0027 × 10^22