Select the statement that best describes a buffer.
a. A buffer causes acidic solutions to become alkaline, and alkaline solutions to become acidic.
b. A buffer stabilizes the pH of a solution by preventing acids or bases from dissociating.
c. 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.
d. A buffer prevents the pH of a solution from changing when an acid or base is added.
e. Buffered solutions are always neutral, with a pH of 7.