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Calculate the theoretical yield of aspir...
This question was answered on Nov 18, 2010. View the Answer
Calculate the theoretical yield of aspirin to be obtained in experiment, 2.0 grams of salicylic acid and 5.0 mL of acetic anhydride (density = 1.08g/mL).

Molecular mass salicylic acid = 138.118 g/mol
Molecular mass acetic anhydride = 102.09 g/mol

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I got

0.05289 moles of acetic anhydride
0.01448 moles of salicylic acid

Balanced equation:
C7H6O3 + C4H6O3 <---> C9H8O4 + C2H4O2

mole ratio is one to one
Limiting reaction is salicylic acid since it has less moles

So for one mole of salicylic acid used one mole of aspirin is used too. So there are 0.01448 moles of aspirin?

Molecular mass of aspirin = 180.157 g/mol

(180.157 g/mol) (0.01448 mol) = 2.608g of aspirin

Is this correct? Thank You.
2.608g is the theoretical yield of aspirin
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