Homework Help: Chemistry

Posted by Kaylee on Tuesday, September 21, 2010 at 8:42pm.

Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4.5H2O, which can be filtered off from the liquid.

What is the minimum mass of anhydrous CuSO4 needed to remove 12.4g H2O from a tankful of gasoline?

Chemistry - bobpursley, Tuesday, September 21, 2010 at 8:45pm
how many moles of H2O are in 12.4g?

moles H2O = 12.4/18 grams

so to get CuSO4.5H2O, you need (12.4/18)*1/5 moles of CuSO4

figure how many grams that is.

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