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A single extraction with 100 mL of CHCl3 extracts or removes 88.5% of the weak acid,...

A single extraction with 100 mL of CHCl3 extracts or removes 88.5% of the weak acid, HA, from 50 mL of aqueous solution. What is the Distribution coefficient, D, for HA at a pH = 3.00? The Ka for HA is 3.5 x 10-5.

Answer choices:

a) 0.130

b)3.98

c)3.85

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