Aniline (C6H5NH2) can be produced from chlorobenzene (C6H5Cl) via the following reaction: C6H5Cl (l) + 2 NH3 (g) ⟶ C6H5NH2 (l) + NH4Cl (s) Assume that 20.0 g of chlorobenzene at 92% purity is mixed with 8.30 g of ammonia. a)  Which is the limiting reactant? b)  Which reactant is present in excess? c)  What is the theoretical yield of ammonium chloride in grams? d)  If 4.78 g of NH4Cl was recovered, what was the percent yield? e)  How many grams of a the limiting reagent must be used to isolate 10.20 g of C6H5NH2? Assume this is a separate experiment than the one described above. Also assume a purity of 92% for chlorobenzene and the same percent yield.

World of Chemistry, 3rd edition
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ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
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Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 50A
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Aniline (C6H5NH2) can be produced from chlorobenzene (C6H5Cl) via the following reaction:

C6H5Cl (l) + 2 NH3 (g) ⟶ C6H5NH2 (l) + NH4Cl (s)

Assume that 20.0 g of chlorobenzene at 92% purity is mixed with 8.30 g of

ammonia.

a)  Which is the limiting reactant?

b)  Which reactant is present in excess?

c)  What is the theoretical yield of ammonium chloride in grams?

d)  If 4.78 g of NH4Cl was recovered, what was the percent yield?

e)  How many grams of a the limiting reagent must be used to isolate 10.20 g of C6H5NH2? Assume this is a separate experiment than the one described above. Also assume a purity of 92% for chlorobenzene and the same percent yield.

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