Question: What is the volume of chloroform required to decrease the concentration of Chloropyrifos pesticide (Phosphorous pesticide, M.W= 280) in water sample (50 mL) at 100

What is the volume of chloroform required to decrease the concentration of Chloropyrifos pesticide (Phosphorous pesticide, M.W= 280) in water sample (50 mL) at 100 ppm concentration level at the optimum experimental conditions to 1.010-8 M assuming D = 90. What is the extraction percentage will be if the volume of the organic solvent is doubled.

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