what is the chemical formula for acetic acid?\ncho\nc₂h₄o₂\nc₂oh\nc₂o₂h

Answer:

B. $C_2H_4O_2$

Explanation:

Step1: Count carbon atoms

There are 2 carbon atoms in the structure.

Step2: Count hydrogen atoms

There are 4 hydrogen atoms in the structure.

Step3: Count oxygen atoms

There are 2 oxygen atoms in the structure. So the chemical formula is $C_2H_4O_2$.