Molar mass of acetylene (C2H2)

The molar mass of acetylene (C2H2) is 26.038 g/mol.

ethyne

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 2 12.011 = 24.022
Hydrogen × 2 1.008 = 2.016
Total26.038 g/mol

Percent composition by element

  • Carbon 92.26%
  • Hydrogen 7.74%

Try another formula

H2O NaCl CO2 C6H12O6 H2SO4 Ca(OH)2 CuSO4·5H2O C8H10N4O2

Could not read that formula

Related compounds

NaHCO3 Sodium bicarbonate C2H5OH Ethanol CH3COOH Acetic acid C3H8 Propane C7H6O2 Benzoic acid C9H8O4 Aspirin

FAQ

What is the molar mass of C2H2?

The molar mass of acetylene (C2H2) is 26.038 g/mol.

How do you calculate the molar mass of C2H2?

Multiply the atomic mass of each element by the number of its atoms in C2H2, then add the results: 2 × 12.011 (C) + 2 × 1.008 (H) = 26.038 g/mol.

What percentage of C2H2 is Carbon?

Carbon makes up 92.26% of the mass of acetylene (C2H2).