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(1) 1 g of caffeine is soluble in 47 mL of water, 10 mL of dichloromethane, and 370 mL of diethyl ether (at 25 °C).
(a) Calculate the solubility (in grams/100 mL) of caffeine in these three solvents.
(b) Calculate partition coefficient of caffeine between water and each of two organic solvents.
(c) Can you use diethyl ether to extract caffeine from water? Why/why not.
(2) Tea contains several different organic compounds, which have diverse physiological effects on our organism. Look up and write down the structural formula of the three compounds present in tea: theophylline, theobromine, and (-) epicatechin. For your own,
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
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