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Determine the pH during the titration of 74.5 mL of 0.345 M benzoic acid (Ka =...

Determine the pH during the titration of 74.5 mL of 0.345 M benzoic acid (Ka = 6.3×10-5) by 0.345 M KOH at the following points.

(a) Before the addition of any KOH

(b) After the addition of 17.0 mL of KOH

(c) At the half-equivalence point (the titration midpoint)

(d) At the equivalence point

(e) After the addition of 112 mL of KOH

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