Consider a Buffer Solution Containing CH₃COO^Na⁺ and CH₃COOH

question 54

Multiple Choice

Consider a buffer solution containing CH₃COO^Na⁺ and CH₃COOH. If you add hydronium (H₃O⁺) until all of the CH₃COO^ is converted into CH₃COOH and then add a little more hydronium, what do you expect to observe?

• A) The pH increases.
• B) The pH decreases.
• C) The pH stays the same.
• D) The solution will be neutralized.
• E) The pH changes, but it is not possible to determine how it will change.

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