Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 4 - Reactions in Aqueous Solutions - Questions & Problems - Page 162: 4.88

Answer

Please see the work below.

Work Step by Step

We know that the volume of 0.10 M NaOH required would be the same for both 0.10M $HNO_2$ or with 25.0mL of 0.10M HCl. We also know that both have the same equivalence point as the concentration of protons is same for both acids; hence, it will need the same number of hydroxide ions.
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