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My Chemistry Tutor > Chemistry Homework Help > AP Chemistry > question from a lab
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roseybabyy
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« on: October 11, 2008, 03:51:50 PM »
This question is from the synthesis of alum lab.

"Why should you not wash the crystals with pure water?"

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Otis
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« Reply #1 on: October 11, 2008, 10:06:10 PM »
Solubility perhaps?

Otis
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chrisf
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« Reply #2 on: October 12, 2008, 06:35:26 AM »
Quote from: Otis on October 11, 2008, 10:06:10 PM
Solubility perhaps?

Otis

That's my guess. You'd probably use an Ethanol/Water mixture instead.
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Otis
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« Reply #3 on: October 12, 2008, 06:45:02 PM »
Very cold ethanol from an ice water bath.

Otis
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