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Concept explainers
Oseltamivir,
a. What is the empirical formula of oseltamivir?
b. What is the mass percent composition of oseltamivir?
c. If black spheres are carbon atoms, white spheres are hydrogen atoms, and red spheres are oxygen atoms, what is the molecular formula of shikimic acid?
d. How many moles of shikimic acid are contained in 130 g of shikimic acid?
e. How many capsules containing 75 mg of oseltamivir could be produced from 155 g of star anise?
f. How many grams of C are in one dose (75 mg) of oseltamivir?
g. How many kilograms of oseltamivir would be needed to treat all the people in a city with a population of 500 000 people if each person consumes two oseltamivir capsules a day for 5 days?
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Chapter 7 Solutions
EBK BASIC CHEMISTRY
- Given the balanced reaction between salicylic acid (C7H603) and acetic anhydride (C4H603) to produce ASA or acetylsalicylic acid (C9H804) and acetic acid (C2H4O2), the following experimental materials are provided: 5.00 g of pure salicylic acid, 7.14 g of acetic anhydride and 8 drops concentrated sulfuric acid as catalyst. After successful synthesis, the group was able to collect 5.25 grams of acetylsalicylic acid. (Atomic weights: C= 12 amu; H = 1 amu; O= 16 amu; density acetic anhydride = 1.08 g/mL). How much of the EXCESS reagent is left unused after the reaction? O 0.37 g O 1.31 g O 3.45 g O 3.69 g O None of the above %3Darrow_forwardC7H6O3 + C4H6O3 <-> C9H8O4 + C2H4O2 1.0g of salicylic acid reacts completely with an recess if acetic anhydride. Whats the theoretical yield of aspirin in G?arrow_forwardAcetylsalicylic 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. How many grams of acetic acid will be produced from salicylic acid?arrow_forward
- 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 theoretical yield (in grams) of Aspirin in the synthesis experiment?arrow_forwardAcetylsalicylic 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 and how much of the excess reactants (in grams) will be left unconsumed after the reaction?arrow_forwardAcetylsalicylic 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 How much of the excess reactant (in grams) will be left unconsumed after the reaction?arrow_forward
- Acetaminophen, a popular drug taken as pain reliever and fever reducer, is produced together with acetic acid from the reaction of 3.05 g 4-aminophenol and 4.1 ml of acetic anhydride. Acetaminophen was extracted at 60% yield. Density of acetic anhydride at 20 C, 1.08 g/ml. Calculate the actual no. of grams of acetaminophen produced. [Determine L.R., E.R.]arrow_forwardGiven the balanced reaction between salicylic acid (C7H603) and acetic anhydride (C4H603) to produce ASA or acetylsalicylic acid (C9H804) and acetic acid (C2H402), the following experimental materials are provided: 5.00 g of pure salicylic acid, 7.14 g of acetic anhydride and 8 drops concentrated sulfuric acid as catalyst. After successful synthesis, the group was able to collect 5.25 grams of acetylsalicylic acid. (Atomic weights: C= 12 amu; H = 1 amu; O= 16 amu; density acetic anhydride = 1.08 g/mL). What is the THEORETICAL yield of ASA in the experiment? O 2.17 g O 6.52 g O 12.60 g O 13.34 g O None of the abovearrow_forwardA mixture was found to contain 1.05g of SiO2, 0.69 g of cellulose, and 1.82 g of calcium carbonate. What percentage of calcium carbonate is in the mixture? What percentage of Si is in the mixture?arrow_forward
- One can prepare homemade lavender perfume by steam distillation. One of the main components in the lavender oil is linalyl acetate (MW 196 g/mol), which has a vapor pressure of approximately 20 mm Hg at the boiling point of the mixture with water. If one collects 500 g of lavender from a garden and performs a codistillation with water, what would be the composition of the distillate?arrow_forwardThe active ingredient of Benadryl© Chesty Forte Cough Liquid is Guaiphenesin anexpectorant drug used to assist the expectoration ('bringing up') of phlegm from theairways in acute respiratory tract infections. A 200.0 mL bottle of Benadryl© ChestyForte Cough contains 4.00 g of Guaiphenesin (C10H14O4). i. If the recommended dose for a child is 150 mg of Guaiphenesin. What volume of thecough liquid should be administered? ii. If the recommended dose for an adult is 350 mg of Guaiphenesin. How many molesof Guaiphenesin does this equal? (answer to 2 significant figures)arrow_forwardCyclohexanol is oxidized with acidified sodium dichromate to form cyclohexanone. Twenty gram (20g) of cyclohexanol is used and 12.5 g of product is obtained in this reaction. Calculate the percentage of yield of product in this reaction. * он | • Cr2o? + 8H* 3 +7 H,0 + 2 Cr3+arrow_forward
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning
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