(Answered) Calculate the ph at the following points in the titration

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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

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