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You have a 10.24 cm3 of a weak base with pKb = 4.1024. Its concentration is 0.2 mol/dm3. You are titrating with 0.1 mol/dm3 HCl.

 You have a 10.24 cm3 of a weak base with pKb = 4.1024. Its concentration is 0.2 mol/dm3. You are titrating with 0.1 mol/dm3 HCl.

(a) How much acid must you add to reach the equivalence point?

(b) Before any acid is added, what is the pH of the weak base solution?

(c) At the equivalence point, what is the pH of the solution?

(d) At the half-equivalence point, what is the pH of the solution?

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