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Bisphenol A, a compound used in making polycarbonate plastic was found to have a chloroform/water-partitioning coefficient...

Bisphenol A, a compound used in making polycarbonate plastic was found to have a chloroform/water-partitioning coefficient K CW = of 4.2. How many times would you have to extract a 50mL water sample with equal volume of chloroform to get at least 90% of your analyte in chloroform?

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