Molar mass of caffeine (C8H10N4O2)

The molar mass of caffeine (C8H10N4O2) is 194.194 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 8 12.011 = 96.088
Hydrogen × 10 1.008 = 10.08
Nitrogen × 4 14.007 = 56.028
Oxygen × 2 15.999 = 31.998
Total194.194 g/mol

Percent composition by element

  • Carbon 49.48%
  • Hydrogen 5.19%
  • Nitrogen 28.85%
  • Oxygen 16.48%

Caffeine facts

  • Caffeine is a bitter, white crystalline compound that belongs to a family of natural stimulants called methylxanthines.
  • It occurs naturally in coffee beans, tea leaves, cacao, and kola nuts, and it is added to many soft drinks and energy drinks.
  • Caffeine keeps people alert by blocking adenosine receptors in the brain, which normally promote feelings of drowsiness.

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FAQ

What is the molar mass of C8H10N4O2?

The molar mass of caffeine (C8H10N4O2) is 194.194 g/mol.

How do you calculate the molar mass of C8H10N4O2?

Multiply the atomic mass of each element by the number of its atoms in C8H10N4O2, then add the results: 8 × 12.011 (C) + 10 × 1.008 (H) + 4 × 14.007 (N) + 2 × 15.999 (O) = 194.194 g/mol.

What percentage of C8H10N4O2 is Carbon?

Carbon makes up 49.48% of the mass of caffeine (C8H10N4O2).