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Topic: Transition metal reaction  (Read 3898 times)

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merced

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Transition metal reaction
« on: February 22, 2006, 12:08:14 AM »
I have a HW question:

"How might you separate the following pairs of ions by the addition of a single reagent?"

Fe3+ and Na+
My professor said to add some sort of base because Fe is a solid when combined with a base.

How would I know which compound to add?
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Offline mike

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Re:Transition metal reaction
« Reply #1 on: February 22, 2006, 12:16:25 AM »
base = OH-
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merced

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Re:Transition metal reaction
« Reply #2 on: February 23, 2006, 01:01:26 PM »
I mean, how do you know which specific base to add?
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Offline Albert

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Re:Transition metal reaction
« Reply #3 on: February 23, 2006, 01:07:19 PM »
You know, saying 'base', sometimes we implicitly mean a hydroxide.

Fe3+ forms a particularly insoluble salt reacting with three equivants of -OH.
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