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August 4, 2015

Homework Help: CHEMistry

Posted by Jen on Sunday, August 12, 2012 at 12:44am.

A mixture of two compounds, A and B, was separated by extraction. After the compounds were dried, their masses were found to be: 117 mg of compound A and 91 mg of compound B. Both compounds were recrystallized and weighed again. After recrystallization, the mass of compound A was 91 mg and the mass of compound B was 77 mg. Calculate the percent recovery from recrystallization for both compounds.

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