Question- Calculate the pH for each of the following cases in the titration of 25.0ml of 0.160M pyridine C5H5N(aq) with 0.160M HBr(aq):
1) Before addition of any HBr?
2) After addition of 12.5 ml of HBr?
3) After addition of 16.0 ml of HBr?
4) After addition of 25.0 ml of HBr?
5) After addition of 32.0 ml of HBr?
Give reasons or calculations to sustain your answer.