Molar mass of stearic acid (C18H36O2)

The molar mass of stearic acid (C18H36O2) is 284.484 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 18 12.011 = 216.198
Hydrogen × 36 1.008 = 36.288
Oxygen × 2 15.999 = 31.998
Total284.484 g/mol

Percent composition by element

  • Carbon 76%
  • Hydrogen 12.76%
  • Oxygen 11.25%

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FAQ

What is the molar mass of C18H36O2?

The molar mass of stearic acid (C18H36O2) is 284.484 g/mol.

How do you calculate the molar mass of C18H36O2?

Multiply the atomic mass of each element by the number of its atoms in C18H36O2, then add the results: 18 × 12.011 (C) + 36 × 1.008 (H) + 2 × 15.999 (O) = 284.484 g/mol.

What percentage of C18H36O2 is Carbon?

Carbon makes up 76% of the mass of stearic acid (C18H36O2).