Macroscale and Microscale Organic Experiments
7th Edition
ISBN: 9781305577190
Author: Kenneth L. Williamson, Katherine M. Masters
Publisher: Brooks Cole
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Question
Chapter 4, Problem 8Q
Interpretation Introduction
Interpretation:
The reason for the use of stemless funnels instead of long-stem funnels to filter hot solutions through filter paper should be explained.
Concept introduction:
The funnel is a tube that is narrow at the bottom but wide at the top. It is used to pour liquids or power through a small opening. It is generally made up of stainless steel, aluminium, glass or plastic. The material used to make funnels is chosen in such a way that it does not react with the other substances.
Following are some of the types of funnels:
- Filter funnels
- Thisle funnel
- Dropping funnel
- Buchner funnel
- Hirsch funnel
- Tullgren funnel
- Separatory funnel
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What are the differences between a simple distillation and steam distillation?
2. When performing the recrystallization of an impure solid, why is it advised to use the minimal amount of solvent possible?
Group of answer choices
To minimize the amount of pure solid lost due to its solubility.
To minimize the cost of the recrystallization.
To reduce the time needed to filter the pure solid from the solvent after recrystallization.
To minimize the amount of hazardous materials used.
2. What type of solids will be caught on a very fine
mesh filter (as opposed to passing through the filter)?
1. Toxic solids
2. Suspended solids
3. Dissolved solids
4. Total solids
Chapter 4 Solutions
Macroscale and Microscale Organic Experiments
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