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Which of the Following Statements About an Acid-Base Buffer Solution

question 66

Multiple Choice

Which of the following statements about an acid-base buffer solution are correct?
(I) It can be prepared by combining a strong acid with a salt of its conjugate base.
(II) It can be prepared by combining a weak acid with a salt of its conjugate base.
(III) It can be prepared by combining a weak base with its conjugate acid.
(IV) The pH of a buffer solution does not change when the solution is diluted.
(V) A buffer solution resists changes in its pH when an acid or base is added to it.


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