An aqueous solution contains a mixture of 0.0026 M of Fe 2+ and 0.0026 M of Al
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An aqueous solution contains a mixture of 0.0026 M of Fe 2+ and 0.0026 M of Al3+ ions. In order to separate these ions, an aqueous solution of sodium hydroxide has to to be added. Given that Ksp of Fe(OH)2 is 8.0 X 10-16 and the Ksp of Al(OH)3 is 4.6 X 10-33 what is the concentration of the sodium hydroxide needed to precipitate out the first cation?
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