Basic Chemistry
6th Edition
ISBN: 9780134878119
Author: Timberlake, Karen C. , William
Publisher: Pearson,
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Chapter 7, Problem 11CI
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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C7H6O3 + C4H6O3 <-> C9H8O4 + C2H4O2
1.0g of salicylic acid reacts completely with an recess if acetic anhydride. Whats the theoretical yield of aspirin in G?
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?
Chapter 7 Solutions
Basic Chemistry
Ch. 7.1 - What is a mole?Ch. 7.1 - What is Avogadro’s number?Ch. 7.1 - Calculate each of the following: a. number of C...Ch. 7.1 - Calculate each of the following: a. number of Li...Ch. 7.1 - Calculate each of the following quantities in 2.00...Ch. 7.1 - Calculate each of the following quantities in...Ch. 7.1 - Quinine, C20H24N2O2 , is a component of tonic...Ch. 7.1 - Aluminum sulfate, Al2(SO4)3 , is used in some...Ch. 7.1 - Naproxen is used to treat pain and inflammation...Ch. 7.1 - Benadryl is an over-the-counter drug used to treat...
Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.2 - Calculate the molar mass for each of the...Ch. 7.3 - Calculate the mass, in grams, for each of the...Ch. 7.3 - Calculate the mass, in grams, for each of the...Ch. 7.3 - Calculate the mass, in grams, in 0.150 mol of each...Ch. 7.3 - Calculate the mass, in grams, in 2.28 mol of each...Ch. 7.3 - Calculate the number of moles in each of the...Ch. 7.3 - Calculate the number of moles in each of the...Ch. 7.3 - Calculate the number of moles in 25.0 g of each of...Ch. 7.3 - Calculate the number of moles in 4.00 g of each of...Ch. 7.3 - Calculate the mass, in grams, of C in each of the...Ch. 7.3 - Calculate the mass, in grams, of N in each of the...Ch. 7.3 - Propane gas, C3H8 , is used as a fuel for many...Ch. 7.3 - Allyl sulfide, (C3H5)2S , gives garlic, onions,...Ch. 7.3 - a. The compound MgSO4 , Epsom salts, is used to...Ch. 7.3 - Prob. 34PPCh. 7.3 - Prob. 35PPCh. 7.3 - Prob. 36PPCh. 7.4 - Calculate the mass percent composition of each of...Ch. 7.4 - Calculate the mass percent composition of each of...Ch. 7.4 - Prob. 39PPCh. 7.4 - Prob. 40PPCh. 7.4 - Prob. 41PPCh. 7.4 - Calculate the mass percent of S in each of the...Ch. 7.5 - Calculate the empirical formula for each of the...Ch. 7.5 - Calculate the empirical formula for each of the...Ch. 7.5 - Calculate the empirical formula for each of the...Ch. 7.5 - Calculate the empirical formula for each of the...Ch. 7.6 - Write the empirical formula for each of the...Ch. 7.6 - Prob. 48PPCh. 7.6 - The carbohydrate fructose found in honey and...Ch. 7.6 - Caffeine has an empirical formula of C4H5N2O . If...Ch. 7.6 - Prob. 51PPCh. 7.6 - Glyoxal, used in textiles; maleic acid, used to...Ch. 7.6 - Prob. 53PPCh. 7.6 - Prob. 54PPCh. 7.6 - Vanillic acid contains 57.14% C, 4.80% H, and...Ch. 7.6 - Lactic acid, the substance that builds up in...Ch. 7.6 - A sample of nicotine, a poisonous compound found...Ch. 7.6 - Adenine, a nitrogen-containing compound found in...Ch. 7.6 - Clavulanic acid has a molecular formula of C8H9NO5...Ch. 7.6 - Phenylpropanolamine (PPA) is used to treat urinary...Ch. 7 - The chapter sections to review are shown in...Ch. 7 - The chapter sections to review are shown in...Ch. 7 - The chapter sections to review are shown in...Ch. 7 - Prob. 64UTCCh. 7 - Prob. 65APPCh. 7 - Calculate the mass, in grams, of Cu in each of the...Ch. 7 - Prob. 67APPCh. 7 - Calculate the mass percent composition for each of...Ch. 7 - Prob. 69APPCh. 7 - Prob. 70APPCh. 7 - A mixture contains 0.250 mol of Mn2O3 and 20.0 g...Ch. 7 - A mixture contains 4.001023 molecules of PCl3 and...Ch. 7 - Prob. 73APPCh. 7 - Prob. 74APPCh. 7 - Prob. 75APPCh. 7 - Prob. 76APPCh. 7 - Prob. 77APPCh. 7 - Prob. 78APPCh. 7 - Calculate the molar mass for each of the...Ch. 7 - Calculate the molar mass for each of the...Ch. 7 - Aspirin, C9H8O4 , is used to reduce inflammation...Ch. 7 - Ammonium sulfate, (NH4)2SO4 , is used in...Ch. 7 - Prob. 83APPCh. 7 - Prob. 84APPCh. 7 - Oleic acid, a component of olive oil, is 76.54% C,...Ch. 7 - Prob. 86APPCh. 7 - Prob. 87CPCh. 7 - Prob. 88CPCh. 7 - Prob. 89CPCh. 7 - The following problems are related to the topics...Ch. 7 - For parts a to f, consider the loss of electrons...Ch. 7 - A sterling silver bracelet, which is 92.5% silver...Ch. 7 - Prob. 9CICh. 7 - The active ingredient in an antacid tablet is...Ch. 7 - Oseltamivir, C16H28N2O4 , is a drug that is used...Ch. 7 - Prob. 12CI
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- 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_forwardFehling reagent I is prepared by dissolving 138.6 g of CuSO4·5H2O in 2 L H2O. The molecular weight of CuSO4·5H2O is 249.685 g/mole. Calculate the molarity of Fehling reagent I.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
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