You titrate 50.0 mL of 0.100 M benzoic acid (C6H5COOH) with 0.250 M KOH. What is the concentration of C6H5COO- at the equivalence point? The answer is: [C6H5COO-] = 7.14 x 10-2 M., but I'm not sure why?
What is the pH of the final solution at the equivalence point? Ka of C6H5COOH = 6.3 x 10-5.
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