An extraction procedure specifies that an aqueous solution containing dissolved organic material be extracted twice with 10-ml portions of diethyl ether. a student removes the lower layer after the first extraction and adds the 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.
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Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
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An extraction procedure specifies that an aqueous solution containing dissolved organic material be...
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