Explain the effect on pH increase, decrease or no change that results from each of the subsequent additions
A) Potassium hypochlorite KClO to an aqueous solution of hypochlorous acid HClO
B) Hydrochloric acid HCl to an aqueous solution of sodium acetate NaC2H2O2
C) Sodium nitrate, NaNO3 to an aqueous solution of nitrous acid, HNO2