Question

Define the term "buffer capacity".

   Define the term "buffer capacity".

Chemistry The Molecular Science

Chemistry The Molecular Science

John W. Moore,… 5th Edition

Chapter 15, Problem 1

Instant Answer

Solved by Expert Anthony Han

07/10/2021

Step 1

A buffer is a solution that can resist pH change upon the addition of an acidic or basic components. It is able to neutralize small amounts of added acid or base, thus maintaining the pH of the solution relatively stable. This is possible due to the presence of a Show more…

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Key Concepts

Buffer Capacity

Buffer capacity refers to the ability of a buffer solution to resist significant changes in pH when small amounts of an acid or a base are added. It quantitatively measures how much acid or base the buffer can neutralize before the pH begins to change appreciably, and it largely depends on the absolute concentrations of the buffering agents present.

Buffer Solutions

Buffer solutions consist of a weak acid and its conjugate base, or a weak base and its conjugate acid, and are designed to maintain a relatively constant pH in a system. These systems are critical in many chemical and biological processes where maintaining pH stability is essential for proper function.

Acid-Base Equilibrium

Acid-base equilibrium is the state of balance between acids and bases in a solution, where the rates of the forward and reverse reactions are equal. This equilibrium is central to the function of buffers, as it allows the system to absorb added hydrogen or hydroxide ions without significant shifts in pH.

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