8) Cap the separatory funnel and gently swirl the contents for several seconds. Vent the separatory funnel frequently. After the pressure has been vented, shake the contents vigorously to thoroughly mix the two layers.
9) Allow the layers to separate. Drain the CH2Cl2 layer into an Erlenmeyer flask.
10) Repeat the extraction of the aqueous layer twice, each time with 5 mL portion of CH2Cl2.
Combine organic layer in the same Erlenmeyer flask.
11) Dry the combined CH2Cl2 solution with anhydrous Na2SO4.
12) Decant the CH2Cl2 solution into a pre‐weighed ceramic evaporating dish, making certain that
no Na2SO4 is transferred with the solution.
13) Place the evaporating dish on a hot water bath to remove CH2Cl2.
14) When all of the CH2Cl2 has been evaporated, allow the evaporating dish to cool to room
temperature. Weigh it to the nearest 0.001 g and record the weight. Subtract the mass of
the empty dish to obtain the mass of the clove oil.
15) Report the weight and percent yield of clove oil to your instructor.