8) The Ka of hydrofluoric acid (HF) at 25.0 C is 6.8 x10-4. What is the…

8) The Ka of hydrofluoric acid (HF) at 25.0 C is 6.8 x10-4. What is the pH of a 0.15 M aqueous 8) solution of HF? A) 4.60 B) 0.82 C)3.64 D) 1.17 E) 2.00