In the reaction of 1.29 g of salicylic acid (138.12 g/mol) with 2.77 g of acetic...
In the reaction of 1.29 g of salicylic acid (138.12 g/mol) with 2.77 g of acetic anhydride (102.10 g/mol), a student obtained 1.09 g of acetylsalicylic acid (180.17 g/mol). What is the percent yield?
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In the reaction of 1.29 g of salicylic acid (138.12 g/mol) with
2.77 g of acetic...
Aspirin can be prepared from salicylic acid (C7H6O3C7H6O3), which has a molar mass of 138.12 g/mol,...
Aspirin can be prepared from salicylic acid (C7H6O3C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H3O2C7H6O3+C4H6O3⟶C9H8O4+C2H3O2 What is the yield of aspirin (C9H8O4C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.02 g of salicylic acid with 1.07 mL of acetic anhydride?
Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol,...
Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H3O2 What is the yield of aspirin (C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.18 g of salicylic acid with 1.05 mL of acetic anhydride?
1. Mass of salicylic acid (g) 2.0089 5.10ml & 2. Volume of acetic anhydride (mL) Limiting...
1. Mass of salicylic acid (g) 2.0089 5.10ml & 2. Volume of acetic anhydride (mL) Limiting reactant is (circle one): Salicylic Acid or Acetic Anhydride Calculation for Limiting Reactant: 3. Theoretical yield of aspirin (9) Calculation for Theoretical Yield of aspirin: 4. Mass of filter paper 0.3369 N 5. Mass of filter paper + aspirin 2.471g 6. Experimental Yield of aspirin (g) 7. Percent Yield Synthesis of Aspirin An early oral pain reliever, salicylic acid, was determined to cause stomach...
3. 0.69g of salicylic acid was reacted with 0.6g acetic anhydride in the presence of concentrated phosphoric acid...
3. 0.69g of salicylic acid was reacted with 0.6g acetic anhydride in the presence of concentrated phosphoric acid to yield 0.80g of acetyl salicylic acid (see below). Determine the limiting reagent and percent yield. C-CH OH COOH CH, COOH CHC Salicylic acid MW 138.12. mp 159C Acetic anhydride Acetylsalicylic acid M W 102.09. bp 140CMW 180.15. mp 128-1370 4. How do you account for the smell of vinegar when an old bottle of aspirin opened?
Mass of salicylic acid: 3.112g volume of acetic anhydride: 7.40ml Density of acetic anhydride = 1.08...
Mass of salicylic acid: 3.112g volume of acetic anhydride: 7.40ml Density of acetic anhydride = 1.08 g/ml molar mass of Salicylic acid in g/mol is 138.12 1. Calculate the moles of Salicylic acid used in the reaction: Round your to 4 significant fig: 2. Calculate the mass of acetic anhydride used in the reaction in g: Round to 3 sig. figures
If you use 12.22 g of salicylic acid and an excess of acetic anhydride in the...
If you use 12.22 g of salicylic acid and an excess of acetic anhydride in the synthesis of aspirin, what would be the theoretical yield of acetylsalicylic acid in moles? In grams? Determine the percent yield if 10.50g of aspirin is isolated
In this lab you are synthesizing acetylsalicylic acid (ASA) from salicylic acid using acetic anhydride, with...
In this lab you are synthesizing acetylsalicylic acid (ASA) from salicylic acid using acetic anhydride, with phosphoric acid as a catalyst. If the amount of salicylic acid at the start of the reaction was 1.05 g, what is the theoretical yield of ASA in g? Assume acetic anhydride is in excess.
1.0.980 g of acetylsalicylic acid was obtained from 1.00 g of salicylic acid by reaction with...
1.0.980 g of acetylsalicylic acid was obtained from 1.00 g of salicylic acid by reaction with excess acetic anhydride. Calculate the percent yield of acetylsalicylic acid. 2. Two esters with the empirical formula C3H602 may be prepared. Write structural formulas for these esters and name them 3. How would you prepare the two esters in question 2? Draw a reaction for each. 1. Explain why you would or would not expect to observe a color change if FeClj were to...
In this lab you are synthesizing acetylsalicylic acid (ASA) from salicylic acid using acetic anhydride, with...
In this lab you are synthesizing acetylsalicylic acid (ASA) from salicylic acid using acetic anhydride, with phosphoric acid as a catalyst. If the amount of salicylic acid at the start of the reaction was 1.05 g, what is the theoretical yield of ASA in g? Assume acetic anhydride is in excess. HINT: The structures of all the compounds you need are in the lab manual.
Aspirin can be synthesized in the lab by combining salicylic acid (C7H6O3) and acetic anhydride (C4H6O3)...
Aspirin can be synthesized in the lab by combining salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to form aspirin (C9H8O4) and acetic acid (C2H4O2).C2H4O2). The balanced equation for this reaction is C7H6O3+C4H6O3⟶C9H8O4+C2H4O2 A student started with 4.00 mL acetic anhydride (density=1.08 g/mL) and 2.07 g salicylic acid. The student synthesized 2.00 g of aspirin. Select the limiting reactant. acetic acid (C2H4O2) salicylic acid (C7H6O3) aspirin (C9H8O4) acetic anhydride (C4H6O3) Calculate the theoretical yield of aspirin (C9H8O4). theoretical yield: Calculate the...
1. Mass of salicylic acid (g) 2.0089 5.10ml & 2. Volume of acetic anhydride (mL) Limiting reactant is (circle one): Salicylic Acid or Acetic Anhydride Calculation for Limiting Reactant: 3. Theoretical yield of aspirin (9) Calculation for Theoretical Yield of aspirin: 4. Mass of filter paper 0.3369 N 5. Mass of filter paper + aspirin 2.471g 6. Experimental Yield of aspirin (g) 7. Percent Yield Synthesis of Aspirin An early oral pain reliever, salicylic acid, was determined to cause stomach...
3. 0.69g of salicylic acid was reacted with 0.6g acetic anhydride in the presence of concentrated phosphoric acid to yield 0.80g of acetyl salicylic acid (see below). Determine the limiting reagent and percent yield. C-CH OH COOH CH, COOH CHC Salicylic acid MW 138.12. mp 159C Acetic anhydride Acetylsalicylic acid M W 102.09. bp 140CMW 180.15. mp 128-1370 4. How do you account for the smell of vinegar when an old bottle of aspirin opened?
1.0.980 g of acetylsalicylic acid was obtained from 1.00 g of salicylic acid by reaction with excess acetic anhydride. Calculate the percent yield of acetylsalicylic acid. 2. Two esters with the empirical formula C3H602 may be prepared. Write structural formulas for these esters and name them 3. How would you prepare the two esters in question 2? Draw a reaction for each. 1. Explain why you would or would not expect to observe a color change if FeClj were to...
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