Question

Consider the crystallization of sulfanilamide from 95% ethyl alcohol. If impure sulfanilamide is dissolved in the minimum amount of 95% ethyl alcohol at 40°C rather than 78°C (the boiling point of ethyl alcohol), how would this affect the percent recovery of pure sulfanilamide? Explain your answer.

Answer 1

it would lower the percent recovery since the impure sulfanilamide is not able to fully dissolve and crystallize as it slowly cools