Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 19 - Acids, Bases, and Salts - 19 Assessment - Page 685: 95


(4) - This is the weakest acid.

Work Step by Step

(4) - This is the weakest acid. Sodium hydroxide is a very strong base. Group I and Group II hydroxides are strong bases. (1) - This is the strongest acid, as HCl is on the list of the strong acids. (2) - This is the second strongest acid. Ammonium chloride is a relatively weak base. (3) - This is the second to last weakest acid. Sodium ethanoate is a stronger base than ammonium chloride, but still weaker than NaOH.
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