Chemistry 12th Edition

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

Chapter 21 - Metallurgy and the Chemistry of Metals - Questions & Problems - Page 953: 21.37

Answer

The trend in this series is clearly in the sense of smaller ionic radius favoring greater solubility. Probably the smaller ion size results in much greater hydration energy. The water solubilities of the sulfates increase in the order Ra < Ba < Sr < Ca < Mg.

Work Step by Step

The trend in this series is clearly in the sense of smaller ionic radius favoring greater solubility. Probably the smaller ion size results in much greater hydration energy. The water solubilities of the sulfates increase in the order Ra < Ba < Sr < Ca < Mg.
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