Pavia uses the term \"extraction\" generically when in many instances throughout

Question

Pavia uses the term "extraction" generically when in many instances throughout our textbook he should have used the term "wash". What is the difference between washing and extracting? If the separatory funnel is shaken too hard an emulsion may form. What is an emulsion is and how it is removed in this experiment? When choosing a drying agent you often have to choose between capacity, completeness, and rate. Define these three drying agent descriptors. Pavia always provides the mass of drying agent needed in each procedure. However, a good lab

Explanation / Answer

3. Washing generally means cleaning so as to remove some unwanted material such as dirt from clothes where as extraction means selectively removing a component which can be of use such as extraction of sugar crystals from sugar solution

4. Emulsion is a mixture of two or more immiscible liquids (which doesnot mix with each other). Since both the layers are immiscible with one another they form separate layers which can be separated easily

5. Capacity means the number of moles of substance the drying agent can remove

Completeness refers to the amount of substance left after the drying process or to the extent the drying process has gone

Rate defines the speed at which drying process takes place

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