Question

How to prepare buffer solution of ph 1-12 just by using HCL & NAOH?

Answer 1

or how to prepare buffer solution of ph 1-12??

Answer 2

It is not possible to prepare buffer solution with an acid and base. Buffer solution is prepared by weak Acid with its conjugate base, or weak base with its conjugate acid.

Answer 3

You can also combine strong acid and weak base, or strong base with weak acid.