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Question

What are some examples of a buffer?


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Solution

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.

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