Question

how are buffer solutions prepared?

Answer 1

Buffers. A buffer is an aqueous solution containing a weak acid and its conjugate base or a weak base and its conjugate acid. A buffer's pH changes very little when a small amount of strong acid or base is added to it. It is used to prevent any change in the pH of a solution, regardless of solute.

please choose as brain list.

Answer 2

sodium salt and water are buffer solution prepared.