A 30 ml Sample of 0.33 M propanoic acid (Ka = 1.3 x 10-5) is titrated with 0.600 M KOH. Calculate the pH after the addition of 16.5mL of base.
A) 10.3,
B) 9.11,
C) 4.91,
D) 5.83,
E) 7.00