A system that compensates for pH fluctuations by donating or accepting H⁺ is known as a(n)____.

Question

Quizplus · Accepted Answer

A buffer is a solution that can resist changes in pH upon the addition of an acidic or basic substance. It acts by donating or accepting hydrogen ions to maintain a relatively stable pH. The equation provided in the question illustrates the buffer system where H^{acts as an acid and} acts as a base. Therefore, the correct answer is D, a buffer.

A System That Compensates for PH Fluctuations by Donating or Accepting