Homework Help: chemistry

Posted by Me on Monday, February 7, 2011 at 10:28pm.

A 20mg sample of a compound is dissolved in 5.0 mL of water and extracted with 2.5 mL of heptane. After seperation of the layers, the heptane layer is found to contain 15 mg of the compound. What is the partition cofficient of the compound,
K(hept/water)

chemistry - DrBob222, Monday, February 7, 2011 at 11:35pm
K_o/a = [(organic phase)/(aq phase))
Plug in 15/2.5 for organic phase
Plug in 5/5 for aq phase.

Solve for Ko/a = ??

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