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Calculating Solubility Equilibrium Problems

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Updated:  
2016-03-26 17:38:25
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From The Book:  
Chemistry All-in-One For Dummies (+ Chapter Quizzes Online)
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The solubility product equation is used to describe the equilibrium situation when a not-so-soluble salt is dissolving in water. For the general dissociation of a sparingly soluble salt:

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In this equation, x+ and z– are the magnitude of the positive and negative charge, respectively; the equilibrium constant expression (solubility product expression) is

Ksp = [Mx+]a[Xz]b

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About the book author:

John T. Moore, EdD, is a chemistry professor at Stephen F. Austin State University. He’s the author of many chemistry titles, including all editions of Chemistry For Dummies.