111. Solving a chemistry problem
202. A liter of an aqueous solution contains 0.3 g of iodine. Determine how much iodine will remain in the aqueous solution if 1) the extraction is carried out once with 50 ml of amyl alcohol and 2) the extraction is carried out five times in portions of 10 ml of amyl alcohol. The distribution coefficient of iodine between water and amyl alcohol is 0.0043.
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