2. Percent recovery and percent yield are occasionally used as if they are interchangeable terms. They do, however, have different meanings. Why is it more correct to use percent recovery here?

Answer is in the explanation.

Explanation:

The principal difference between percent recovery and percent yield is that the second involves a chemical reaction whereas the first is more about a purification process.

Thus, percent yield is defined as the ratio between amount of product and theoretical yield.

Percent recovery is the ratio between final amount of purified substance and initial amount of substance.

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