A buffer solution is made up of acetic acid (ch3cooh) and sodium acetate (nach3coo). The major equilibria in the buffer system are represented above. Which of the following equilibria could be used to support the claim that the addition of a small amount of naoh to the buffer will result in only a very small change in ph?

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xuqianxuecandy5055 xuqianxuecandy5055

22-03-2022
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A buffer solution is made up of acetic acid (ch3cooh) and sodium acetate (nach3coo). The major equilibria in the buffer system are represented above. Which of the following equilibria could be used to support the claim that the addition of a small amount of naoh to the buffer will result in only a very small change in ph?

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AFOKE88 AFOKE88 · Answer 1 · 2022-03-30T11:56:04+02:00

The equilibria showing how the acetate buffer adjusts to addition of a small amount of NaOH is:

CH₃COOH (aq) + H₂O (l) → H₃0+ (aq) + CH₃COO (aq)

What is a buffer?

A buffer is defined as a solution that resists changes to its pH when little quantity of strong base or acid is added to it.

Buffers are typically made from solutions of weak acids and their salts or weak bases and their salts.

The equilibria showing how a buffer made from acetic acid and sodium acetate (NaCH3COO) adjusts to addition of a small amount of NaOH is as follows:

CH₃COOH (aq) + H₂O (l) → H₃0+ (aq) + CH₃COO (aq)

This is because when NaOH which is a strong base is added, by neutralization action, it will neutralize the hydronium ion which will make the acetic acid ionization equilibrium to shift to the right to produce more of the acetate ion, the conjugate base.

Read more about acetate buffer at: brainly.com/question/17490438