Question: What volume of n-hexane is required to decrease the concentration of X in Problem 31-11 to 1.00 x 10-4 M if 25.0 mL of 0.0500

What volume of n-hexane is required to decrease the concentration of X in Problem 31-11 to 1.00 x 10-4 M if 25.0 mL of 0.0500 M X is extracted with
(a) 25.0-mL portions?
(b) 10.0-mL portions?
(c) 2.0-mL portions?

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