Answer to Question #175535 in General Chemistry for ary

Question

1. Ninety five percent (95%) of solute is removed from 150 mL of an aqueous solution by extraction with 20 mL of an organic solvent. What is distribution ratio of the solute?

Answer 1

95% of 150 ml is 142.5 mL

Distribution coefficient = (volume is aqueous layer/volume is organic layer)

= 142.5/20 = 7.125