Astudent spots an unknown sample on a tlc plate. after developing the plate in a 50: 50 mixture of hexane/ethyl acetate, the student sees a single spot with an rf of 0.40. does this indicate the unknown sample is a pure compound? what else could the student do to verify whether the sample is pure or a mixture?
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Astudent spots an unknown sample on a tlc plate. after developing the plate in a 50: 50 mixture of h...
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