Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.180 M pyridine, C5H5N(aq) with 0.180 M HBr(aq):

Question

1)before addition of any HBr
2)after addition of 12.5 ml of HBr:
3)after addition of 16 ml of HBr:
4)after addition of 25 ml of HBr:
5)after addition of 32 ml of HBr:

Answer 1

This take a LOT of typing. Exactly what do you understand and not understand?

Answer 2

number 1 and 2 are fuzzy