6.312 g of p-aminophenol (MW = 109.13 g/mol) is reacted with 6.600 g of acetic anhydride (MW = 102.09 g/mol) to form acetaminophen (151.16 g/mol) and acetic acid (60.052 g/mol) as shown in the reaction below. What is the theoretical yield of acetaminophen? CH3 NH2 HC NH HC + CH H3C но CH3 CH но CH3 но p-aminophenol 11.95 g 9.772 g acetic anhydride acetaminophen acetic acid O 9.258 g 8.743 g 13.14 g

6.312 g of p-aminophenol (MW = 109.13 g/mol) is reacted with 6.600 g of acetic anhydride (MW = 102.09 g/mol) to form acetaminophen (151.16 g/mol) and acetic acid (60.052 g/mol) as shown in the reaction below. What is the theoretical yield of acetaminophen? CH3 NH2 HC NH HC + CH H3C но CH3 CH но CH3 но p-aminophenol 11.95 g 9.772 g acetic anhydride acetaminophen acetic acid O 9.258 g 8.743 g 13.14 g

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter22: Organic And Biological Molecules

Section: Chapter Questions

Problem 157CP

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2.959 g of p-aminophenol (MW = 109.13 g/mol) is reacted with 2.543 g of acetic anhydride (MW = 102.09 g/mol) to form acetaminophen (151.16 g/mol) and acetic acid (60.052 g/mol) as shown in the reaction below. What is the theoretical yield of acetaminophen?
Aspirin (acetylsalicylic acid, C9H8O4) is made by reacting salicylic acid (C7H6O3) with acetic anhydride [(CH3CO)2O]: C7H6O3(s)+ (CH3CO)2O(l) → C9H8O4(s) + CH3COOH(l) In one preparation, 3.077 g of salicylic acid and 5.50 mL of acetic anhydride react to form 3.281 g of aspirin. (a) Which is the limiting reactant (d of acetic anhydride = 1.080 g/mL)? (b) What is the percent yield of this reaction? (c) What is the percent atom economy of this reaction?
Aspirin (acetylsalicylic acid, C9H8O4) is made by reacting salicylic acid (C7H6O3) with acetic anhydride [(CH3CO)2O]: C7H6O3(s) + (CH3CO)2O(l) → C9H8O4(s) + CH3COOH(l)In one preparation, 3.077 g of salicylic acid and 5.50 mL of aceticanhydride react to form 3.281 g of aspirin. (a) Which is the limitlimiting reactant (d of acetic anhydride = 1.080 g/mL)? (b) What is the percent yield of this reaction?
If you used 0.87 g of p-ethoxyphenol (MW=138.16 g/mol) and 0.93 g of benzyl bromide (MW=171.03 g/mol) for the following reaction, which one is the limiting reagent? What is the mole ratio between two compounds?Show calculation.
Given that the Grignard reaction used 1.4555 g of phenyl bromide, 10g of carbon dioxide, 0.5734 g of magnesium fillings and 30.2 mL of 6m HCl, what is the limiting reagent in the reaction assuming the reaction went perfectly with only the desired product forming?
In the synthesis of acetylsalicylic acid (C9H8O4), 2.0126 g salicylic acid (C7H6O3) and 5.00 mL acetic anhydride (C4H6O3; density = 1.08 g/mL) are reacted in the presence of concentrated sulfuric acid. The final product weighs 0.5413 g. Calculate the theoretical yield of acetylsalicylic acid and the percent yield of the synthesis. Express your answers in 2 decimal places.
Give the theoretical yield, in moles, of CO2 from the reaction of 0.60 moles of C8H18 with 40.00 moles of O2. 2C8H18+25O2 ---> 16CO2 + 18H2O
Stoichiometric calculations. Show computations K, a pharmaceutical scientist aims to synthesize paracetamol by reacting 3.075 mg of p-aminophenol and 2.25 milliliters of acetic anhydride to produce paracetamol and acetic acid. C6H7NO + C4H6O3 à C8H9NO2 What is the limiting reactant? How many grams of paracetamol was formed? K was able to produce 1.88 grams of paracetamol. What is the percentage yield?
Ferrocene, Fe(C5H5)2(s), can be prepared by reacting 3.0 g of FeCl2(s) with anequal mass of cyclopentadiene, C5H6(l), and an excess of KOH, as shown in thefollowing reaction FeCl2 + 2C5H6 + 2KOH → FeC10H10 + 2H2Oa. What is the limiting reagent in this procedure?b. Based on your answer to part A, what mass of Fe(C5H5)2 couldtheoretically be formed?c. A student who carried out this reaction obtained 2.7 g of ferrocene. Whatwas the percent yield for this reaction?
0.004 C8H7NO3, 15mL ethanol, 0.002mol NaBH4 was used. HCl was used to acidify. It was then extracted with ether. Then it was dried and a mass of 0.32g was obtained. What is the balanced equation of this synthesis, and what is the limiting reagent?
2.513 grams of salicylic acid were allowed to react with excess acetic anhydride to give acetylsalicylic acid, or aspirin (along with acetic acid product). The aspirin was recrystallized from a chilled water/ethanol mixture to give 0.534 g of purified aspirin. What was the percent yield in this process? | |
DENTIFICATION: Acetylsalicylic acid commonly known as Aspirin (C9H8O4) is used to treat fever, inflammation, and acts as a blood-thinning agent. A group of STEM students experimented on the synthesis of this compound using recrystallization technique. The following are the initial materials for the experiment: 5.00 g of pure salicylic acid (C7H6O3), 7.14 g of acetic anhydride (C4H6O3) and 8 drops concentrated sulfuric acid as catalyst. After successful synthesis, the group was able to collect 5.25 grams of Aspirin (C9H8O4) and acetic acid (C2H4O2). Atomic weights: C= 12 amu; H = 1 amu; O= 16 amu; density acetic anhydride = 1.08 g/mL What is the percentage yield of the experiment?