Question

what is the chemical formula for acetic acid?
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c₂h₄o₂
c₂oh
c₂o₂h

Explanation:

Step1: Count carbon atoms

The structure shows 2 carbon (C) atoms.

Step2: Count hydrogen atoms

There are 4 hydrogen (H) atoms.

Step3: Count oxygen atoms

There are 2 oxygen (O) atoms.

Answer:

B. $C_{2}H_{4}O_{2}$