A 350-mg of Aleve tablet contains 220. mg of Naproxen sodium salt, structure below. The mass of the tablet is reduced to 330. mg after the Opadry coating is removed and to 310. mg after the tablet is pulverized. After dissolving the soluble component of the pulverized tablet from the rest of the tablet ingredients, acid-base chemistry is used to isolate  Naproxen. Which is the most appropriate substance to isolate Naproxen? I. 6M HCl II. 6M CH3COOH III. 6M NaOH

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