Buffers Have All of the Following Characteristics EXCEPT

question 33

Multiple Choice

Buffers have all of the following characteristics EXCEPT:

• A) they have relatively flat titration curves at the pH(s) where they buffer.
• B) they resist changes in their pH as acid or base is added.
• C) they are typically composed of a weak acid and its conjugate base.
• D) they buffer best for polyprotic acids half-way between the two pK_a values.
• E) buffer where the amounts of conjugate base are nearly equivalent to the amounts of weak acid.

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