Consider the image below. If the pH registered is that of a buffer solution, which of the following describes what will happen if some HCl is added the solution?

Question

Consider the image below.  If the pH registered is that of a buffer solution, which of the following describes what will happen if some HCl is added the solution?

Quizplus · Accepted Answer

In a buffer solution, adding an acid (HCl in this case) will cause the buffer to react and convert some of the added HCl into its conjugate base. This reaction will consume some of the existing buffer components, resulting in a small decrease in pH. Therefore, the pH will decrease slightly.

Consider the Image Below