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Enter the the Ksp expression for the solid AB2 in terms of the molar solubility x. express your answer in terms of x

Enter the the Ksp expression for the solid AB2 in terms of the molar solubility x. express your answer in terms of x
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Concepts and reason

The concept used is to determine the solubility constant expression for the given salt in terms of x.

Fundamentals

The solubility product, is the equilibrium constant for a solid that is dissolved in a solution. It is the product of the concentration of the products raised to the power of their coefficients.

Consider a general reaction, M.X,(s) aM* (aq) +bX“ (aq)

The expression for the solubility constant for the reaction is as follows:

K«=[M] [x°-]

The given salt is .

The dissociation reaction is as follows:

AB,(s) = A + (aq) +2B (aq)

The expression for the solubility product is as follows:

[-a] «zv]= y

Let the molar solubility of and be x.

Construct an ICE table for the reaction.

A+ (aq)+2B (aq)
AB,(s)
Initial:
Change:
Equilibrium:
+
+2x
2x

The expression for the solubility product in terms of x is as follows:

K.5 =[x][2x]

Ans:

Therefore, the expression for of the salt is .

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