At what pH will Al(OH)3 begin to precipitate from 0.10 M AlCl3 ?
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AlCl3 will be soluble only in fairly acidic solutions. In this particular example, Al(OH)3 will precipitate if the pH is 3.426 or higher. The pH MUST be maintained at 3.426 or lower in order to keep the AlCl3 in solution.
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