Molar mass of pentane (C5H12)

The molar mass of pentane (C5H12) is 72.151 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 5 12.011 = 60.055
Hydrogen × 12 1.008 = 12.096
Total72.151 g/mol

Percent composition by element

  • Carbon 83.24%
  • Hydrogen 16.76%

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 C5H12?

The molar mass of pentane (C5H12) is 72.151 g/mol.

How do you calculate the molar mass of C5H12?

Multiply the atomic mass of each element by the number of its atoms in C5H12, then add the results: 5 × 12.011 (C) + 12 × 1.008 (H) = 72.151 g/mol.

What percentage of C5H12 is Carbon?

Carbon makes up 83.24% of the mass of pentane (C5H12).