Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 19 - Problems: 19.46

Answer

See explanation below.

Work Step by Step

At the center of the buffer region of a weak acid - strong base titration, the concentration of the weak acid and its conjugate base are same, at this point the pH of the solution equals the pKa of the weak acid. Hence the center region of buffer is important.
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