Determine how much caffeine should be obtained
Determine how much caffeine should be obtained when a mixture composed of 20 mL of water layer with the 25mg of caffeine in it before extraction and 2 x 6 mL for the CH2Cl2 layers.
Kp(CH2Cl2/water) = 3.0;
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Determine the probability that among seven randomly chosen graduates, at least one finds the job in his or her chosen field in a year of graduating.
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