When strong acid is added to a buffer, there is a small pH change because the added acid Blank by one of the components in the buffer. Therefore, the effect on the [H3O+][H3O+] in the solution is Blank.
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How does the addition of a small amount of acid or base affect a buffered solution?
How does a buffer resist change in pH upon addition of a strong acid? The strong acid reacts with the weak acid in the buffer to form a weak base, which produces few H+ H + ions in solution and therefore only a little change in pH. The strong acid reacts with the strong base in the buffer to form a salt, which produces few H+ H + ions in solution and therefore only a little change in pH. The strong acid reacts with the weak base in the buffer to form a weak acid, which produces few H+ H + ions in solution and therefore only a little change in pH.
Alkendra S.
If a small amount of strong acid is added to a buffer made up of a weak acid, HA, and the sodium salt of the conjugate base, NaA, the pH of the buffer solution does not change appreciably because a. the strong acid reacts with HA to give AH and OH- b. the Ka of HA has changed. c. no reaction occurs. d. the strong acid reacts with HA to give A-, which is a weak base. e. the acid reacts with NaA to give HA, which is a weak acid.
Maitreya E.
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