What is the purpose of the layer of sand at the top of the column? To protect the top of the packing material from being disturbed when you apply the sample O To protect the top of the packing material from accidental drying O To provide a level surface for applying the layer of sample to be separated O All 3 statements are true.

What is the purpose of the layer of sand at the top of the column? To protect the top of the packing material from being disturbed when you apply the sample O To protect the top of the packing material from accidental drying O To provide a level surface for applying the layer of sample to be separated O All 3 statements are true.

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter5: Distillation

Section: Chapter Questions

Problem 10Q

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