westaudrey1792 westaudrey1792 30-05-2023 Chemistry contestada Calculate the pH of a 0.25 M solution of NaNO2 (Ka(HNO2) = 4.5 x 10^-4) (1.97) a) pH = 3.35 b) pH = 4.45 c) pH = 5.55 d) pH = 6.65