๐Ÿงชap chemistry review

Optimal Buffer

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

An optimal buffer is a solution that resists changes in pH when small amounts of an acid or a base are added to it. It's most effective when the pH is close to the pKa value of the buffering agent.

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