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 - Page 869: 19.39

Answer

See explanation below.

Work Step by Step

In order to estimate the pH range of indicator's color, we need to know the pKa value for the indicator because the transition range is almost equal to pKa ± 1.Some indicators have two separate pH ranges when indicator is a diprotic acid and it has two transition ranges.
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