(solution) A different extraction procedure specifies that an aqueous

(solution) A different extraction procedure specifies that an aqueous

A different extraction procedure specifies that an aqueous solution containing dissolved organic material be extracted twice with10-mL portions of diethyl ether. A student removes the lower layer after the first extraction and add a second 10 mL portion of ether to the upper layer remaining in the separatory funnel. After shaking the funnel the student observes only one liquid phase with no interface. Explain 

— would you assume that all contents of the lower layer have been extracted?

Give a detailed and correct answer

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