1. Alkaloid salts are not very soluble in the organic solvent diethyl ether. What might happen to the free-base form of caffeine dissolved in diethyl ether if gaseous hydrogen chloride, HCl, were bubbled into the solution?
2. Medicines, such as pain relievers and antidepressants, are being found in the drinking water supplies of many municipalities. How did these medicines get there? Does it matter that they are there? Should something be done about it. If so, what?
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