Homework Help: chemistry

Posted by Boo Boo on Wednesday, November 21, 2012 at 12:39pm.

A solution containing 80g of NaNO3 in 75g of H2O at 50 degrees celsius is cooled to 20 degrees celsius.
A. how many grams of NaNO3 remain in solution at 20 degrees celsius?
B. How many grams of solid in NaNO3 crystallized after cooling?

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