**Question:**A buffer is _________.**Options:**- a) a strong base.- b) a weak acid and its conjugate base.- c) a strong acid and a strong base.- d) a strong acid and its conjugate base.- e) a weak acid and its conjugate acid.- f) a strong acid and a weak acid.- g) a strong base and a weak base.- h) a weak base and its conjugate base.- i) a strong acid.**Explanation:**Buffers are solutions that resist changes in pH when small amounts of acid or base are added. They typically consist of a weak acid and its conjugate base, or a weak base and its conjugate acid. This allows them to neutralize added acids or bases, maintaining a relatively stable pH in a solution. The correct answer for what a buffer is, corresponds to option b) a weak acid and its conjugate base, or option h) a weak base and its conjugate acid.

A small amount of strong acid or strong base can not change the pH of buffer solution.

A buffer is a) a strong base. b) a weak acid and its conjugate base. c) a strong acid and a strong base. d) a strong acid and its conjugate base. e) a weak acid and its conjugate acid. O f) a strong acid and a weak acid. g) a strong base and a weak base. h) a weak base and its conjugate base. O i) a strong acid.

A buffer is a) a strong base. b) a weak acid and its conjugate base. c) a strong acid and a strong base. d) a strong acid and its conjugate base. e) a weak acid and its conjugate acid. O f) a strong acid and a weak acid. g) a strong base and a weak base. h) a weak base and its conjugate base. O i) a strong acid.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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