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Hot filtration apparatus:
Hot filtration apparatus:
125-mL Erlenmeyer flask
Glass funnel
Filter paper - folded or fluted
Copper wire
Pre-heat the glassware
Pre-heat the glassware
Discuss
Discuss
What is the purpose of the copper wire?
Why it is important to pre-heat the glassware before filtration?
What types of impurities are removed in the hot filtration?
Why is some acetanilide always lost in this step? (see below)
PRODUCT LOSS: Subtract 25 mg from your theoretical recovery.
** Note - this product loss is in addition to loss due to the limited solubility of acetanilide in hot water. You already took that into account when calculating the theoretical mass recovery!
Still confused? Ask questions! Confusion is a natural part of the process and a fantastic source of engagement :)
You notice a large amount of crystals have formed on inside the filter paper.
You notice a large amount of crystals have formed on inside the filter paper.
What are you going to do? (choose an option)
What are you going to do? (choose an option)
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