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Select the statement that best describes a buffer.

A buffer resists change in pH by accepting hydrogen ions when acids are added to the solution and donating hydrogen ions when bases are added.

Buffered solutions are always neutral, with a pH of 7.

A buffer stabilizes the pH of a solution by preventing acids or bases from dissociating.

A buffer causes acidic solutions to become alkaline, and alkaline solutions to become acidic.

A buffer prevents the pH of a solution from changing when an acid or base is added.

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