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In this lesson, we will learn how to describe the purification of compounds by gravity and vacuum filtrations, assessing hazards and common errors.
After a Büchner filtration, solid is observed in the collected filtrate. Which of the following is the least likely explanation?
What is the main disadvantage of using a smaller funnel for a gravity or a vacuum filtration?
In gravity filtration, filter paper is often folded into a fluted shape, as shown. Why is the efficiency of filtration increased if fluted filter paper is used instead of a simple paper cone?
What is the main disadvantage of using a larger funnel for a gravity or a vacuum filtration?
Which of the following physical processes is not likely to be observed in the filtrate during a vacuum filtration?
When a Büchner filtration is complete, in which
order should the following actions be performed?
When collecting a precipitate under suction, which of the following steps is not required?
Which of the following pieces of apparatus is not typically used in vacuum filtrations?
A student performs a gravity filtration using the apparatus shown. In what way has the apparatus been incorrectly assembled?
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