Answer to Question #183176 in General Chemistry for zibo wang

Question

Consider the weak acid, iodoacetic acid with a Ka of 6.68 x 10-4 and a partition coefficient of K=3.5 for extraction from an aqueous solution into an organic solvent. If 50.0 mL of 0.010 M iodoacetic aqueous solution are extracted with 250.0 mL of organic solvent, what percent of iodoacetic acid is left behind in aqueous phase if pH = 3?

Answer 1

Percent of iodoacetic acid is left behind;

=17.94%