Question

PLEASE HELP!

Why is a buffer only effective within a certain pH range?

Answer 1

A concentrated buffer can neutralize more added acid or base than a dilute buffer, because it contains more acid/conjugate base. However, any buffer will lose its effectiveness if too much strong acid or base is added.

Answer 2

It is NOT C

Step-by-step explanation:

I believe it might be B, but i’m not sure