Aluminum ions react with the hydroxide ion to form the precipitate Al(OH) 3(s), but can also react to form the soluble complex ion Al(OH)4-. In terms of solubility, Al(OH)3(s) will be more soluble in very acidic solutions as well as more soluble in very basic solutions.
c. The value of K is 40.0 and Ksp for Al(OH)3 is 2 X 10-32. Plot the solubility of Al(OH)3 in the pH range 4–12.
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