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In a buffer solution made of acetic acid and sodium acetate, if a small amount of acid is added, the added acid will react with whome?

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Answer:

The acid reacts with the conjugate base producing more weak acid.

Explanation:

A buffer solution is defined as the mixture of a weak acid and its conjugate base or a weak base with its conjugate acid.

The acetic buffer, CH₃COOH/CH₃COO⁻, is in equilibrium with water as follows:

CH₃COOH(aq) + H₂O(l) ⇄ CH₃COO⁻(aq) + H₃O⁺

When an acid HX (Source of H₃O⁺) is added to the buffer, the reaction that occurs is:

CH₃COO⁻ + HX → CH₃COOH

The acid reacts with the conjugate base producing more weak acid.

In fact, this is the principle of the buffer:

An acid reacts with the conjugate base producing weak acid. And the weak acid reacts with a base producing conjugate base

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If a small amount of acid is added to an acetic acid-sodium acetate buffer, the acid will react with the acetate ion from sodium acetate.

We have a buffer formed by acetic acid and sodium acetate.

What is a buffer?

A buffer is a solution used to resist abrupt changes in pH when an acid or a base is added.

How are buffers formed?

They can be formed in 1 of 2 ways:

  • By a weak acid and its conjugate base.
  • By a weak base and its conjugate acid.

Our buffer is formed by a weak acid (acetic acid) and its conjugate base (acetate ion from sodium acetate).

When an acid (HX) is added, it is neutralized by the basic component of the buffer. The generic net ionic equation is:

H⁺ + CH₃COO⁻ ⇄ CH₃COOH

If a small amount of acid is added to an acetic acid-sodium acetate buffer, the acid will react with the acetate ion from sodium acetate.

Learn more about buffers here: https://brainly.com/question/24188850