Which of the following statements is false for buffer solutions? a.) The buffer

ID: 907567 • Letter: W

Question

Which of the following statements is false for buffer solutions?

a.) The buffer strength is sum of the hydronioum ion concentration plus the conjugate base concentration.

b.) Idealy, the conjugate acid/base pair selected to make a buffer should have a pKa within one pH unit of the desired solution.

c.) The buffer capacity is the amount of acid or base that can be added to the buffer without a dramatic change in pH.

d.) The pH of a buffer solution is dependent on the ratio of A- : HA, not the strength of the buffer.

e.) An ideal buffer contains a 1:1 ratio of the weak acid and its conjugate base in solution.

Statements (a) and (e) are false

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