0.94g of salicylic acid was reacted with excess acetic anhydride in the presence of concentrated phosphoric acid (catalyst) to yield 0.80g of acetyl salicylic acid (see below). Determine the percent yield of acetylsalicylic acid. Hint: Percent yield = actual yield/theortical yield * 100% OH O OH Salicylic acid Chemical Formula: C7H₂O3 Molecular Weight: 138.12 mp 159 °C + H3C CH3 acetic anhydride Chemical Formula: C4H6O3 Molecular Weight: 102.09 bp 140 °C H3PO4 H₂C OH Acetylsalicylic acid Chemical Formula: C9H₂O4 Molecular Weight: 180.16 mp 128-137 °C
0.94g of salicylic acid was reacted with excess acetic anhydride in the presence of concentrated phosphoric acid (catalyst) to yield 0.80g of acetyl salicylic acid (see below). Determine the percent yield of acetylsalicylic acid. Hint: Percent yield = actual yield/theortical yield * 100% OH O OH Salicylic acid Chemical Formula: C7H₂O3 Molecular Weight: 138.12 mp 159 °C + H3C CH3 acetic anhydride Chemical Formula: C4H6O3 Molecular Weight: 102.09 bp 140 °C H3PO4 H₂C OH Acetylsalicylic acid Chemical Formula: C9H₂O4 Molecular Weight: 180.16 mp 128-137 °C
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter10: Organic Chemistry
Section: Chapter Questions
Problem 10.57P: Aspirin is prepared by the reaction of salicylic- acid with acetic anhydride as shown in the...
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