Question

What is the total number of carbon atoms in a molecule of ethanoic acid?
(1) 1 (3) 3
(2) 2 (4) 4

Answer 1

The total number of carbon atoms in a molecule of ethanoic acid is 2.

Answer: (2) 2

Answer 2

Ethanoic acid has a chemical formula of C2H4O2. There are two carbon atoms in the compound, so (2) 2 is the correct answer.
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