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Another Problem 3
Based on the theory of chemical reactions, we expect a certain reaction
to yield 402.6 g of a compound. We actually obtain 421.8 g. What
was the percent yield? Is this possible?
Solution: 104.8% yield - Not possible
percent yield = actual / theoretical = 421.8 / 402.6 = 1.04769002.
This gives roughly 104.8%, which would indicate that we got more
than was theoretically possible. This can not occur, so
one of the numbers in the problem must be wrong, i.e., we must have made
an error measuring one of the quantities or calculating the original
Another Problem Like This One.
Next Try It Out Problem.