Molar mass of octane (C8H18)

The molar mass of octane (C8H18) is 114.232 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 8 12.011 = 96.088
Hydrogen × 18 1.008 = 18.144
Total114.232 g/mol

Percent composition by element

  • Carbon 84.12%
  • Hydrogen 15.88%

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 C8H18?

The molar mass of octane (C8H18) is 114.232 g/mol.

How do you calculate the molar mass of C8H18?

Multiply the atomic mass of each element by the number of its atoms in C8H18, then add the results: 8 × 12.011 (C) + 18 × 1.008 (H) = 114.232 g/mol.

What percentage of C8H18 is Carbon?

Carbon makes up 84.12% of the mass of octane (C8H18).