Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 17 - Additional Aspects of Aqueous Equilibria - Exercises - Page 766: 17.6a


The most appropriate drawing of that curve is in second drawing. $- (ii)$

Work Step by Step

- The original solution is made of a strong base. Therefore, its pH should be high (greater than 7). - Since we are adding a strong acid: The hydronium ion concentration should raise, decreasing the pH. The only drawing where the pH is decreasing with the addition of the compound is the number $(ii)$
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