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Question- Calculate the pH for each of the following cases in titration of 25.0ml of 0.160 M pyridine, C5H5N(aq) with 0.160 M HBr(aq):

a) Before addition of HBr?

b) After addition of 12.5 ml of HBr

c) After addition of 16.0ml of HBr

d) After addition of 25.0ml of HBr

e) After addition of 32.0 of HBr

Give reasons or calculations to sustain your answer.

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