A student started with 100 mg of an unknown solid and recrystallized this material from water. The weight of the crystals they isolated was 27 mg. Explain why the student might have obtained this result and what the student can do to try to correct the problem.
Question 2
A student started with 100 mg of an unknown solid and recrystallized it from water. The weight of the crystals isolated was 120 mg and the melting point range was very broad and lower than the literature value. Explain the problem that the student encountered and how the student can solve it.