A buffer solution is 0.100 M in both HC₇H₅O₂ and NaC₇H₅O₂ and has a pH of 4.19.Which of the following pH values would you expect from the addition of a small amount of a dilute solution of a strong base? A) 3.89 B) 3.69 C) 5.69 D) 4.49 E) There is not enough information to determine.

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Quizplus · Accepted Answer

The addition of a strong base to a buffer solution will slightly increase the pH. Since the initial pH is 4.19, the pH will increase slightly, making 4.49 a reasonable expectation.

A Buffer Solution Is 0