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October 30, 2014

Homework Help: Chemistry

Posted by Avery on Thursday, November 15, 2012 at 9:51pm.

A monoprotic acid with a Ka of 2.92 × 10-5 has a partition coefficient of 4.2 (favoring octanol) when distributed between water and octanol. Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 31 mL of octanol at (a) pH 4.00 and (b) pH 8.00.

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