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(Solved) The acid HA (Ka = 4.2 10-4) equilibrates between water and ether. (a) Define the distribution coefficient (D) and the partition coefficient (K) for...


The acid HA (Ka = 4.2 × 10-4) equilibrates between water and ether.


(a) Define the distribution coefficient (D) and the partition coefficient (K) for this system.











(b)Calculate D at pH 4.00 if K= 92.









(c) Will D be greater or less at pH 3.50 than at pH 4.00? Explain why.










(d) At what pH will D be unity?

 


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