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July 28, 2014

Homework Help: chemistry

Posted by Myaa on Monday, March 1, 2010 at 10:03pm.

125 mL of 25 dergree celsius of distilled water was used to wash and transfer a precipitate. rather than 20 ml of CHILLED distilled water (at 4 degree celcius).
the solubility of baruim iodate monohydrate in 25 degree celcius water is 0.028g per 100 ml of water; in 4 degree celcius water, it is 0.010g per 100 ml of water.
(1) what mass of product would you expect to isolate?
(2) calculate the percent error as a result of using 125 ml of 25 degree celsius water, compared with the correct yield using 20 ml of 4 degree celcius water

Actually this is what follow a question that was already posted by someone names "Aymal"

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