February 24, 2017

Homework Help: chemistry

Posted by sara on Monday, February 11, 2013 at 8:19pm.

a student dissolves 80 mg of a crude product in 4.5 mL( the minimum required) of methanol at 25 deg C . She cools the solution in an ice bath and obtains crystals. The crystals are recovered by filtration and rinsed with 0.5 mL of ice-cold methanol. After drying, the weight of the crystals is 5 mg. Why was the recovery so poor? what could she do to improve the process?

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