Benzoic acid has a Ka value of 6.3x10^-5. A 35 ml sample of .13 M benzoic acid is titrated with a .15M solution of NaOH.
Find the pH.
a) initially before any NaOH is added
b)after 12 ml of NaOH is added
c) at the equivalence point
d)after a total of 35 ml of NaOH is added