Molar mass of acetone (C3H6O)

The molar mass of acetone (C3H6O) is 58.08 g/mol.

propanone

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 3 12.011 = 36.033
Hydrogen × 6 1.008 = 6.048
Oxygen × 1 15.999 = 15.999
Total58.08 g/mol

Percent composition by element

  • Carbon 62.04%
  • Hydrogen 10.41%
  • Oxygen 27.55%

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FAQ

What is the molar mass of C3H6O?

The molar mass of acetone (C3H6O) is 58.08 g/mol.

How do you calculate the molar mass of C3H6O?

Multiply the atomic mass of each element by the number of its atoms in C3H6O, then add the results: 3 × 12.011 (C) + 6 × 1.008 (H) + 1 × 15.999 (O) = 58.08 g/mol.

What percentage of C3H6O is Carbon?

Carbon makes up 62.04% of the mass of acetone (C3H6O).