Chemistry Ksp Solution: When excess solid YZ is put in water and allowed t...

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Solution: When excess solid YZ is put in water and allowed to dissolve the following equilibrium reaction occurs and the equilibrium table shown can be set up.The amount of solid that dissolves is called the molar solubility, denoted here by x. Since the concentration of the solid is constant and is not included in the Ksp expression, the equilibrium expression for the reaction is Ksp=[Y][Z], or, in terms of molar solubility, Ksp = x2.Enter the the Ksp expression for the solid AB2 in terms of the molar solubility x.Express your answer in terms of x.

Problem

When excess solid YZ is put in water and allowed to dissolve the following equilibrium reaction occurs and the equilibrium table shown can be set up.

The amount of solid that dissolves is called the molar solubility, denoted here by x. Since the concentration of the solid is constant and is not included in the Ksp expression, the equilibrium expression for the reaction is Ksp=[Y][Z], or, in terms of molar solubility, Ksp = x2.

Enter the the Ksp expression for the solid ABin terms of the molar solubility x.

Express your answer in terms of x.

Solution

When dealing with Ksp, we have an ionic solid compound which dissociates completely into its corresponding ions. In order to find the Ksp expression, an ICE chart is needed as follows:

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