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Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 9.00 multiplied by 102 mL of solution and then titrate the solution with 0.148 M NaOH.

C6H5CO2H(aq) + OH-(aq) = C6H5CO2-(aq) + H2O(l)

What are the concentrations of the following ions at the equivalence point?

Na+, H3O+, OH-

C6H5CO2-

(A) M Na+

(B) M H3O+

(C) M OH-

(D) M C6H5CO2-

(E) What is the pH of the solution?

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