Question

A student 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?

Answer 1

40.0

Step-by-step explanation:

BECAUSE IT'S THE OPPOSITE

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