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PRECIPITATION: FERRIC HYDROXIDE
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Sodium Hydroxide Added to Ferric Sulfate
NaOH in graduated cylinder added to Fe2(SO4)3(aq) in beaker to precipitate Fe(OH)3(s). Ferric hydroxide is actually hydrated ferric oxide-Fe2O3 x H2O which is very insoluble(Ksp=2.6x10-39) and forms when the pH rises above pH2.
Copyright:© 1994 Richard Megna - Fundamental Photographs
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