Question

What are some examples of a buffer?

Answer 1

Buffer solution

• The solutions which resist change in pH on dilution or with the addition of small amounts of acid or alkali are called Buffer Solutions.
• Buffers are used in industrial processes such as the manufacture of paper, dyes, drugs, etc.

Examples of buffer

• A mixture of sodium acetate and acetic acid acts as a buffer solution around pH $4.75$.
• A mixture of ammonium hydroxide and ammonium chloride acts as a buffer around pH $9.25$.