Calculate the pH at the following points in the titration of 36.0 mL of 0.050 M benzoic acid (Ka = 6.3x10-5) with 0.03 M NaOH. Plot these points on a graph of pH versus mL of NaOH. Label the midpoint and the equivalence point.
- 0 mL of NaOH added
- 15.0 mL of NaOH added
- 30.0 mL of NaOH added
- 45.0 mL of NaOH added
- 60.0 mL of NaOH added
- 75.0 mL of NaOH added
- 90.0 mL of NaOH added