Aspirin or acetyl salicylic acid is synthesized by reacting salicylic acid with acetic anhydride: C 7 H 6 O 3 salicylic acid + C 4 H 6 O 3 acetic anhydride → C 9 H 8 O 4 aspirin + C 2 H 4 O 2 acetic acid (a) How much salicylic acid is required to produce 0.400 g of aspirin (about the content in a tablet), assuming acetic anhydride is present in excess? (b) Calculate the amount of salicylic acid needed if only 74.9 percent of salicylic acid is converted to aspirin. (c) In one experiment, 9.26 g of salicylic acid is reacted with 8.54 g of acetic anhydride. Calculate the theoretical yield of aspirin and the percent yield if only 10.9 g of aspirin is produced.
Aspirin or acetyl salicylic acid is synthesized by reacting salicylic acid with acetic anhydride: C 7 H 6 O 3 salicylic acid + C 4 H 6 O 3 acetic anhydride → C 9 H 8 O 4 aspirin + C 2 H 4 O 2 acetic acid (a) How much salicylic acid is required to produce 0.400 g of aspirin (about the content in a tablet), assuming acetic anhydride is present in excess? (b) Calculate the amount of salicylic acid needed if only 74.9 percent of salicylic acid is converted to aspirin. (c) In one experiment, 9.26 g of salicylic acid is reacted with 8.54 g of acetic anhydride. Calculate the theoretical yield of aspirin and the percent yield if only 10.9 g of aspirin is produced.
Solution Summary: The author explains the balanced chemical equation of a reaction according to law of conservation of mass.
Aspirin or acetyl salicylic acid is synthesized by reacting salicylic acid with acetic anhydride:
C
7
H
6
O
3
salicylic
acid
+
C
4
H
6
O
3
acetic
anhydride
→
C
9
H
8
O
4
aspirin
+
C
2
H
4
O
2
acetic
acid
(a) How much salicylic acid is required to produce 0.400 g of aspirin (about the content in a tablet), assuming acetic anhydride is present in excess? (b) Calculate the amount of salicylic acid needed if only 74.9 percent of salicylic acid is converted to aspirin. (c) In one experiment, 9.26 g of salicylic acid is reacted with 8.54 g of acetic anhydride. Calculate the theoretical yield of aspirin and the percent yield if only 10.9 g of aspirin is produced.
What are the roles of methyl salicylate and sulfuric acid in the synthesis of salicylic acid?
Aspirin can be made in the laboratory by reacting acetic anhydride (C4H6O3C4H6O3) with salicylic acid (C7H6O3C7H6O3) to form aspirin (C9H8O4C9H8O4) and acetic acid (C2H4O2C2H4O2). The balanced equation isC4H6O3+C7H6O3→C9H8O4+C2H4O2C4H6O3+C7H6O3→C9H8O4+C2H4O2In a laboratory synthesis, a student begins with 2.90 mLmL of acetic anhydride (density=1.08gml−1density=1.08gml−1) and 1.28 gg of salicylic acid. Once the reaction is complete, the student collects 1.20 gg of aspirin.
a)
Determine the theoretical yield of aspirin for the reaction.
Express your answer using three significant figures.
b)
Determine the percent yield of aspirin for the reaction.
Express your answer using three significant figures.
Aspirin can be made in the laboratory by reacting acetic anhydride (C4H6O3C4H6O3) with salicylic acid (C7H6O3C7H6O3) to form aspirin (C9H8O4C9H8O4) and acetic acid (C2H4O2C2H4O2). The balanced equation isC4H6O3+C7H6O3→C9H8O4+C2H4O2C4H6O3+C7H6O3→C9H8O4+C2H4O2In a laboratory synthesis, a student begins with 3.10 mLmL of acetic anhydride (density=1.08gml−1density=1.08gml−1) and 1.23 gg of salicylic acid. Once the reaction is complete, the student collects 1.22 gg of aspirin.
Determine the percent yield of aspirin for the reaction.
Express your answer using three significant figures.
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.