What measure(s) can be used to determine success in this lab?

Group of answer choices

A.The recrystallized adipic acid will have a melting point that is lower and more broad that the impure adipic acid

B. A sharp melting range, similar to the one from the lab standard of adipic acid

C. The melting point of the recrystallized material is higher compared to the crude adipic acid

D. Both b and c