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Define buffer capacity.

Name: Problem 23, Chapter 9: Fundamentals of Analytical Chemistry
Uploaded: 2021-07-10T00:05:45-08:00
Duration: 1 min 20 s
Channel: Anthony Han
Description: Define buffer capacity.

   Define buffer capacity.

Fundamentals of Analytical Chemistry

Douglas A. Skoog,… 9th Edition

Chapter 9, Problem 23

Instant Answer

Solved by Expert Anthony Han

07/10/2021

Step 1

It is defined as the amount of acid or base that can be added to the buffer solution before its pH changes significantly, usually by one pH unit. Show more…

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Key Concepts

Buffer Capacity

Buffer capacity is a measure of a buffer solution's ability to resist changes in pH when small amounts of acids or bases are added. It quantifies how much acid or base can be introduced before a significant change in pH occurs and depends on the concentrations and the ratio of the weak acid and its conjugate base present in the buffer.

Buffer Solutions

Buffer solutions are mixtures typically containing a weak acid and its conjugate base (or a weak base and its conjugate acid) that work together to maintain a relatively constant pH in a solution. Their effectiveness in stabilizing pH is a consequence of their intrinsic equilibrium, where added hydrogen or hydroxide ions are neutralized by the buffer components.

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