Use the equation to answer the question.(1 point)

4NaCl+2SO2+2H2O+ [ Blank 1 ]O2→ [ Blank 2 ] Na2SO4+4HCl
Select the numbers from the drop down box that would balance this equation.
For Blank 1 the drop box answers are 1,2, and 4
For Blank 2 the drop box answers are
1,2, and 3

For Blank 1, the coefficient should be 3 to balance the equation.

For Blank 2, the coefficient should be 1 to balance the equation.