Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 11 - Properties of Solutions - Exercises: 46

Answer

a) $Mg^{2+}$ b) $Be^{2+}$ c) $Fe^{3+}$ d) $F^-$ e) $Cl-$ f) $SO_4^{2-}$

Work Step by Step

a) $Mg^{2+}$ is more strongly hydrated than $Na^+$ because they are roughly the same size, but $Mg^{2+}$ has a greater charge. b) $Be^{2+}$ is more strongly hydrated than $Mg^{2+}$ because they have the same charge, but $Be^{2+}$ is smaller. c) $Fe^{3+}$ is more strongly hydrated than $Fe^{2+}$ because they are roughly the same size, but $Fe^{3+}$ has a greater charge. d) $F^-$ is more strongly hydrated than $Br^-$ because they have the same charge, but $F^-$ is smaller. e) $Cl-$ is more strongly hydrated than $ClO_4^-$ because they have the same charge, but $Cl^-$ is smaller. f) $SO_4^{2-}$ is more strongly hydrated than $ClO_4^-$ because they are roughly the same size, but $SO_4^{2-}$ has a greater charge.
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