What needs to be done to balance this equation?

Question 4 options:

Do nothing (equation is balanced).


Change O 2 to O 4 on the left side of the equation.


Add coefficient 2 to O 2 on the left side of the equation.


Remove coefficient 2 in front of H 2O on the right side of the equation.

What needs to be done to balance this equation Question 4 options Do nothing equation is balanced Change O 2 to O 4 on the left side of the equation Add coeffic class=