Use the solubility-product constant for Cr(OH)3(Ksp = 6.7
Chapter 10, Problem 99AE(choose chapter or problem)
Problem 99AE
Use the solubility-product constant for Cr(OH)3(Ksp = 6.7 × 10–31) and the formation constant for Cr(OH)4– from Table to determine the concentration of Cr(OH)4– in a solution that is buffered at pH = 10.0 and is in equilibrium with solid Cr(OH)3.
Table Formation Constants for Some Metal Complex Ions in Water at 25ºC
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