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A 10.00 mL aliquot of weak base is titrated with HCl. The equivalence point is reached after 17.21 mL of 0.4332 M HCl has been added. The pH is equal to 10.03 after 5.00 mL of HCl was added. Determine:
(a) the initial molarity of the weak base
(b)Kb of the weak base from the data given in the buffer region
(c) the initial pH
(d) the equivalence point pH
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