Solved Questions

In performing a hot filtration at the miniscale level, what might happen if the filter funnel is not preheated before the solution is poured through it?

List the steps in the systematic procedure for miniscale recrystallization, briefly explaining the purpose of each step.

For which of the following situations is it appropriate to perform a recrystallization? More than one answer may be circled. a. To purify an impure liquid. b. To purify an impure solid. c. The melting point of a compound is depressed and melts over a wide range. d. The melting point of a compound is sharp and agrees with the literature value. e. An...

To explore the techniques for recrystallizing solids. Recrystallization Purpose 1. Wear safety glasses or goggles while performing the experiments. 2. Organic compounds are much more rapidly absorbed through the skin when they are in solution, particularly in water-soluble solvents such as acetone and ethanol. For this reason, do not rinse organic ...