1. EIOH, H,SO, reflux HO 2. Na CO,. H.O H.N H.N 4-aminobenzoie acid Benzocaine 165.19 g/mol 137.14 g/mol A student starts with 0.519 g of pure 4-aminobenzoic acid, (molar mass 137.14 g/mol) and ends up with 0.484 g of benzocaine (molar mass 165.19 g/mol). Given that ethanol is in excess, what are the theoretical and percent yields for this reaction? Assume all starting material is converted to product when caleulating the theoretical 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 41A
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Consider the synthesis of benzocaine.
1. EIOH, H,SO,, reflux
OH
2. Na,CO, Hо
H.N
H,N
4-aminobenzoic acid
137.14 g/mol
Benzocaine
165.19 g/mol
A student starts with 0.519 g of pure 4-aminobenzoic acid, (molar mass 137.14 g/mol) and ends up with 0.484 g of benzocaine
(molar mass 165.19 g/mol).
Given that ethanol is in excess, what are the theoretical and percent yields for this reaction? Assume all starting material is
converted to product when calculating the theoretical yield.
theoretical yield:
percent yields
Transcribed Image Text:Consider the synthesis of benzocaine. 1. EIOH, H,SO,, reflux OH 2. Na,CO, Hо H.N H,N 4-aminobenzoic acid 137.14 g/mol Benzocaine 165.19 g/mol A student starts with 0.519 g of pure 4-aminobenzoic acid, (molar mass 137.14 g/mol) and ends up with 0.484 g of benzocaine (molar mass 165.19 g/mol). Given that ethanol is in excess, what are the theoretical and percent yields for this reaction? Assume all starting material is converted to product when calculating the theoretical yield. theoretical yield: percent yields
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