A Solution Is Prepared by Adding 500 ML of 0

A solution is prepared by adding 500 mL of 0.3 M NaClO to 500 mL of 0.4 M HClO. What is the pH of this solution?

A) The pH will be greater than the pK_a of hypochlorous acid.
B) The pH will be less than the pK_a of hypochlorous acid.
C) The pH will be equal to the pK_a of hypochlorous acid.
D) The pH will equal the pK_b of sodium hypochlorite.
E) The pH will be none of the above.