Question

How many carbon atoms are there in the empirical formula corresponding to C10H22O2?

Answer 1

Empirical formula of the compound contains 5 carbon atoms.

Explanation:

We have the molecular formula of the compound C₁₀H₂₂O₂.

To find the empirical formula we divide each number of atoms by the lowest number which is 2:

for carbon (C) 10 / 2 = 5

for hydrogen (H) 22 / 2 = 11

for oxygen (O) 2 / 2 = 1

The empirical formula is C₅H₁₁O and contains 5 carbon atoms.

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