Question

The concentration of acetate ions in
IM CH,COOH (aq.) solution containing 0.1 M
HCl is (K of CH,COoH = 2 x 10-5):-
(1) 2 x 10-1M
123 2 x 10-3M
(3) 2 x 10-4M
(4) 4.4 x 10-3M​

Answer 1

Answer:

I tried subtracting .001 moles from .1 moles from acetic acid and adding .001 moles to potassium acetate (I assumed that there was 1 liter of solution) and when I use the Henderson-Hasselbalch equationI get 4.74. The practice quiz is marking it wrong, so I'm not sure what I'm doing wrong...