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Calculate the weak acid, HA, concentration that remains in the aqueous phase when 50.0 mL of...

Calculate the weak acid, HA, concentration that remains in the aqueous phase when 50.0 mL of 0.184 M HA at pH = 4.75 is extracted with 50 mL of toluene three times. The partition coefficient for the extraction is 5.17, favoring toluene. The Ka for HA is 8.0 x 10−4.

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