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1. The distribution constant for iodine between an organic solvent and water is The concentration of iodine remaining in the aqueous layer after extraction of 50 ml of 1 x 10-3 M iodine with 50 ml of organic solvent will be:
(A): 1.16 x 10-5 M
(B): 1.16 x 10-6 M
(C): 2.16 x 10-5 M
(D): 2.16 x 10-6 M
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