How do the following solutions show the properties of a buffer?

Question

1) 50 ml 0.10 M NH3 + 50 ml 0.10 M NH4NO3

2) 10 ml solution #1 + 5 ml H2O + 1 ml 0.10 M HCl

3) 10 ml solution #1 + 6 ml 0.10 M HCl

4) 10 ml solution #1 + 5 ml H2O + 1 ml 0.10 M NaOH

Answer 1

I don't know what kind of an answer you want here. You might try re-phrasing the question.