Problem: Enter the solubility-product expression for Al(OH)3(s).

FREE Expert Solution

Recall that Ksp is an equilibrium constant related to slightly soluble ionic compounds


The dissociation of slightly soluble Al(OH)3 in solution is as follows:


Al(OH)3(s)   Al3+(aq) + 3 OH(aq)


We can construct an ICE table for this dissociation



where x = molar solubility of the compound.


The Ksp expression is:


Ksp=productsreactants=[Al3+][OH-]


Remember that solids are ignored in the ICE table and Ksp expression.


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Problem Details

Enter the solubility-product expression for Al(OH)3(s).