what is the chemical formula for acetic acid?\no cho\no c₂h₄o₂\no c₂oh\no c₂o₂h

Answer:

B. $C_2H_4O_2$

Explanation:

Step1: Count carbon atoms

There are 2 carbon (C) atoms in the structure.

Step2: Count hydrogen atoms

There are 4 hydrogen (H) atoms.

Step3: Count oxygen atoms

There are 2 oxygen (O) atoms. So the formula is $C_2H_4O_2$.