Question- Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.200 M pyridine, C5H5N(aq) with 0.200 M HBr(aq):
1) After addition of 25.0 mL of HBr
2) After addition of 31.0 mL of HBr
Depict your all calculation in detail so I can understand the solution thoroughly