What would happen to the Rf values of the fractions collected in the column chromatography if you were to increase the relative concentration of the ethyl acetate in the developing solvent?
Answer:
Assuming that ethyl acetate is your polar component (I;m guessing hexane is the other) Rf values will increase as you add higher percentages of ethyl acetate because it will pull materials further up the plate and therefore increase the Rf (relative to front) value.
was ethyl acetate the original solvent used? more info.
needed
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