Propose a structure for the polymer formed by intermolecular reaction of salicylic acid during the synthesis of aspirin. Which is the stronger acid, aspirin or salicylic acid?
Propose a structure for the polymer formed by intermolecular reaction of salicylic acid during the synthesis of aspirin. Which is the stronger acid, aspirin or salicylic acid?
Homework Answers
Phenol group being close to carboxylate group in the salicylate anion, the phenol proton can form an intramolecular hydrogen bond to the carboxylate group. This stabilizes the anion, making the corresponding acid stronger. In aspirin it is not possible to form such a hydrogen bond. Therefore, the anion is less stable and the acid less strong.
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Propose a structure for the polymer formed by intermolecular reaction of salicylic acid during the synthesis of aspirin. Which is the stronger acid, aspirin or salicylic acid?
A student measures out exactly 0.0920 g of salicylic acid and carries out an aspirin synthesis...
A student measures out exactly 0.0920 g of salicylic acid and carries out an aspirin synthesis using salicylic acid, acetic anhydride, heat, and an acid catalyst. Salicylic acid is the limiting reagent in this reaction, which yields 0.0900 g of aspirin. What is the percent yield for the reaction?
In the lab calledd Synthesis of Aspirin, the mass of salicylic acid is 3.037g , the...
In the lab calledd Synthesis of Aspirin, the mass of salicylic acid is 3.037g , the mass of dried Aspirin finally is 2.793. What is the moles of salicylic acid used? What is the moles of aspirin expected? What is the mass of aspirin expected?
Mass of salicylic acid recovered= 11.495g Used 1.410g of salicylic acid when synthesizing aspirin. Mass of...
Mass of salicylic acid recovered= 11.495g Used 1.410g of salicylic acid when synthesizing aspirin. Mass of acetylsalicylic acid(aspirin) recovered= 2.365g Discuss your yields, % yield of salicylic acid and aspirin. The reaction is the synthesis of salicylic acid from oil wintergreen, and then using the salicylic acid to synthesize aspirin. THANK YOU IN ADVANCE
Synthesis of Aspirin Mass of salicylic acid 2.0024 g Mass of synthesized aspirin 2.5125 g Calculate...
Synthesis of Aspirin Mass of salicylic acid 2.0024 g Mass of synthesized aspirin 2.5125 g Calculate the theoretical mass and percent yield using the following (fill in missing information): (mass of salicylic acid)2.0024 1 mol salicylic acid 1 mol aspirin (MW of aspirin) = Enter answer (MW of salicylic acid) 1 mol salicylic acid 1 mol aspirin (mass of synthesized aspirin)2.5124 x 100% = Enter answer (theoretical mass of aspirin) Excluding lab error and excess water, is it possible to...
When old aspirin breaks down salicylic acid is formed. What functional group does salicylic acid have...
When old aspirin breaks down salicylic acid is formed. What functional group does salicylic acid have that aspirin does not? -OH Opera Olaondo acid catalyst + some stuff -©—OH 0-C-CH3 + CH3—C—OH acetic acid OH aspirin Salicylic acid
Aspirin (acetylsalicylic acid) may be formed from salicylic acid and acetic acid as follows: 13a How...
Aspirin (acetylsalicylic acid) may be formed from salicylic acid and acetic acid as follows: 13a How many g of aspirin may be produced from 6.94 × 102 mol salicylic acid
During the aspirin synthesis a student began with 4.057 grams of salicylic acid (density=1.443 g/mL, mol.wt....
During the aspirin synthesis a student began with 4.057 grams of salicylic acid (density=1.443 g/mL, mol.wt. = 138. 12 g/mol) and 1.98 mL of acetic anhydride (d= 1.082 g/mL, Mwt= 102.09 g/mol). A total of 3.249 grams of aspirin was formed (m.wt 180.17 g/mol). What was the percent yield? 61.4 % 071.4% 80.1 % O 85.9 % Question 19 (3 points) In the oxidation of 9-Fluorenol to 9-Fluorenone, NaOCI serves as a: Nucleophile Drying agent Catalyst Reducing agent
Organic chemistry -Carboxylic acid homework Question: In the general chemistry lab, students synthesize aspirin from salicylic...
Organic chemistry -Carboxylic acid homework
Question: In the general chemistry lab, students synthesize
aspirin from salicylic acid and acetic anhydride. In the lab,
students use sulfuric acid as a catalyst, but I want to consider an
alternate method for synthesizing aspirin using sodium acetate as a
catalyst:
a. Draw the structure of sodium acetate. Is sodium acetate a
stronger or weaker base than sodium hydroxide (NaOH). Explain. (1.5
pts)
b. Consider the structure of salicylic acid. It contains two
potentially...
DATA Part A: Synthesis of Aspirin Mass of salicylic acid Mass of watch glass Mass of...
DATA Part A: Synthesis of Aspirin Mass of salicylic acid Mass of watch glass Mass of watch glass + dry product Calculated mass of dry product Melting range of product Addition of FeCl, to salicylic acid Addition of FeCl, to product Theoretical yield of aspirin Show calculation: Percent yield of aspina product Show calculation: Lab 9 . Formation o Section LAB 9 REFLECTIVE EXERCISES Date 1 What data did you collect to indicate that you successfully produced aspirn? What did...
Experiment 10: Synthesis of Aspirin Name: Data/observations: Day 1Preparation of Salicylic Acid 1.1749 mass of methyl...
Experiment 10: Synthesis of Aspirin Name: Data/observations: Day 1Preparation of Salicylic Acid 1.1749 mass of methyl salicylate (wintergreen oil) 0.913 g mass of salicylic acid product Day 2: Synthesis of Aspirin 0.889 mass of salicyclic acid used to synthesize aspirin 0.622 g mass of aspirin product Day 3: Qualitative Analysis Compound pure pure aspirin salicylic acid aspirin pure salicyclic methyl acid product product salicylate purple w/ dark purple night yellow dark purple yeilow seperation crystalized crystalized watery Chunky. FeCl3 Observation...
When old aspirin breaks down salicylic acid is formed. What functional group does salicylic acid have that aspirin does not? -OH Opera Olaondo acid catalyst + some stuff -©—OH 0-C-CH3 + CH3—C—OH acetic acid OH aspirin Salicylic acid
During the aspirin synthesis a student began with 4.057 grams of salicylic acid (density=1.443 g/mL, mol.wt. = 138. 12 g/mol) and 1.98 mL of acetic anhydride (d= 1.082 g/mL, Mwt= 102.09 g/mol). A total of 3.249 grams of aspirin was formed (m.wt 180.17 g/mol). What was the percent yield? 61.4 % 071.4% 80.1 % O 85.9 % Question 19 (3 points) In the oxidation of 9-Fluorenol to 9-Fluorenone, NaOCI serves as a: Nucleophile Drying agent Catalyst Reducing agent
Organic chemistry -Carboxylic acid homework
Question: In the general chemistry lab, students synthesize
aspirin from salicylic acid and acetic anhydride. In the lab,
students use sulfuric acid as a catalyst, but I want to consider an
alternate method for synthesizing aspirin using sodium acetate as a
catalyst:
a. Draw the structure of sodium acetate. Is sodium acetate a
stronger or weaker base than sodium hydroxide (NaOH). Explain. (1.5
pts)
b. Consider the structure of salicylic acid. It contains two
potentially...
DATA Part A: Synthesis of Aspirin Mass of salicylic acid Mass of watch glass Mass of watch glass + dry product Calculated mass of dry product Melting range of product Addition of FeCl, to salicylic acid Addition of FeCl, to product Theoretical yield of aspirin Show calculation: Percent yield of aspina product Show calculation: Lab 9 . Formation o Section LAB 9 REFLECTIVE EXERCISES Date 1 What data did you collect to indicate that you successfully produced aspirn? What did...
Experiment 10: Synthesis of Aspirin Name: Data/observations: Day 1Preparation of Salicylic Acid 1.1749 mass of methyl salicylate (wintergreen oil) 0.913 g mass of salicylic acid product Day 2: Synthesis of Aspirin 0.889 mass of salicyclic acid used to synthesize aspirin 0.622 g mass of aspirin product Day 3: Qualitative Analysis Compound pure pure aspirin salicylic acid aspirin pure salicyclic methyl acid product product salicylate purple w/ dark purple night yellow dark purple yeilow seperation crystalized crystalized watery Chunky. FeCl3 Observation...
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