which molecular formula corresponds to this model of a chemical compound? (black = carbon; red = oxygen…

which molecular formula corresponds to this model of a chemical compound? (black = carbon; red = oxygen; white = hydrogen)\nc₂(oh)₄\nc₂h₂o₄\nc₂h₄o₂\nc₄h₂o₂
Answer
Explanation:
Step1: Count carbon atoms
There are 2 black (carbon) atoms.
Step2: Count hydrogen atoms
There are 2 white (hydrogen) atoms.
Step3: Count oxygen atoms
There are 4 red (oxygen) atoms.
Answer:
B. $C_{2}H_{2}O_{4}$