Question- The Ka of hydrofluoric acid (HF) at 25C is 6.8x10^-4. What is the pH of a .15M aqueous solution of HF?
1) 4.60
2) 3.64
3)0.82
4) 1.17
5) 2.00
Which one is a Bronsted-Lowry base?
1) CH3COOH
2) HF
3) (CH3)3N
4) None of the above
I am stuck in between this question please help me out