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2. a. What is the Ksp for the precipitation of aluminum hydroxide [Al(OH)3], given that its...

2. a. What is the Ksp for the precipitation of aluminum hydroxide [Al(OH)3], given that its molar solubility is 1.83 x 10-9 M and its formular weight is 77.99 grams/mole?

b. What is the molar solubility of Fe(OH)3 in an aqueous solution buffered at pH = 10.50? Ksp is 2 x 10-39 for the reaction: Fe(OH)3 (s) ÍÎ Fe3+ + 3 OH- . Formular weight of Fe(OH)3 is 106.86 grams/mole.

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