50.0mL of 0.1 molar NaOH is added with 50.0mL of 0.1 molar CH3COOH. The Ka = 1.8*10^-5. what is the pH of the solution?

Question

a) 7.00
b) 9.22
c) 4.77
d) 8.22
e) 5.78

I think that the answer is d. Would i be safe in saying that?

Answer 1

The pH is 8.72 which is half way between b and d.