This is mass transfer Question correct solution needed here otherwise I will downvote your answer.

Q) In eaurse of purification of 12gm impure compound A ( 12gm of is contaminated with 0.3gm of compound B), the solution made with boicing water is cooled to 15C. Solubilities ( g per 100kg water) of the compounds in water are given as below:- i) What is the weight of the solid erys talized ant? ii) How mueh purifieation of compound A has taken place with respect to it's originat composition? (assume no evaporation loss and no water of erystallization)