Select the statement that best describes a buffer
A buffer causes acidic solutions to become alkaline, and alkaline solutions to become acidic.
A buffer stabilizes the pH of a solution by preventing acids or bases from dissociating.
A buffer accepts hydrogen ions when they are in excess and donates hydrogen ions when they have been depleted.
A buffer prevents the pH of a solution from changing when an acid or base is added.
Buffered solutions are always neutral, with a pH of 7.