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In the titration of 12.1 mL of a 0.183 weak base solution (Kb = 7.7 ×...

In the titration of 12.1 mL of a 0.183 weak base solution (Kb = 7.7 × 10-7) with 0.22 M HCl solution, what is the pH at the equivalence point? (Hint: first find the equivalence volume and total volume)

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