96 6. Salicylic ackd, acetic anhydride and H,SO, are mixed and allowed to react for I Next, ice water is added. Give two functions for the added ice water 7. What is a limiting reagent? 8. How many moles of salicylic acid are there in 5.0 grams? Show all your work 9. What is the mass of 10.0 mL of acetic anhydride? Show all your work. 10. The percent yield equals the actual yield divided by the theoretical yiekd. How will you find the actual yield?
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95 Experiment IX Synthesis of Aspirin Prelaboratory Assignment Name: frobect Bun, Bak Baniot Date...
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual....
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment. In this substitute lab exercise, you will watch a short video on preparing aspirin. The video is posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the % yield from the data given by the video. Submit the completed assignment by March...
- OF ASPIRIN ANU UN riment Exercise 7: The Yield of Aspirin Name Date Pred the...
- OF ASPIRIN ANU UN riment Exercise 7: The Yield of Aspirin Name Date Pred the el the st Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment In this substitute lab exercise, you will watch a short video on preparing aspirin. The videos posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the yield from the data given by...
please help me ! do you think this is good so far ? Results/Data • Aspirin...
please help me ! do you think this is good so far ?
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/mL sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g FORMATION OF ESTERS II. PREPARATION OF ACETYL SALICYLIC ACID (ASPIRIN): 1 Complete the table below by entering appropriate values into the empty boxes. Show calculations for all entries clearly below. Reactants Chemical MW Grams of Moles of Moles of Limiting Melting Formula...
i did the synthesis of aspirin experiment and got the data below. how do you do...
i did the synthesis of aspirin experiment and got the data
below. how do you do the theoretical yield? percent yield of the
pure aspirin?
DATA: Mass of Salicylic Acid: 2.034g Volume of Acetic Anhydride used in synthesis: 4.00ml Mass of filter paper: 0.196g Mass of filter paper plus Aspirin: 1.868g Mass of Aspirin: 1.672g Percent Yield of Pure Aspirin: I Experimental Procedure HAZARD: Sulfuric acid, acetic anhydride and glacial acetic acid are corrosive to the skin. They are also...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on interpreting the ferric chloride test for phenols. Two students performed the aspirin synthesis experiment. Their melting point and ferric chloride test data are shown below. Based on the results, which student's aspirin has the higher purity? Justify your choice using the melting point data and ferric chloride test results. Melting point range for pure aspirin = 136-140 °C. Melting point range (°C) Ferric chloride...
Pre-lab Assignment: Synthesis of Aspirin 1. What is the chemical name for aspirin? 2. How does...
Pre-lab Assignment: Synthesis of Aspirin 1. What is the chemical name for aspirin? 2. How does aspirin work in the human body? 3. What is the name of the compound that was isolated from the bark of the willow and had a similar effect as aspirin? 4, what is a common side effect of the compound from #4? 5. Draw and label the complete setup to perform vacuum filtration. 6. What is the theoretical yield for aspirin if you start...
Experiment 2: Synthesis of Aspirin (Acetylsalicylic Acid ) 1. How many moles of salicylic acid are...
Experiment 2: Synthesis of Aspirin (Acetylsalicylic Acid ) 1. How many moles of salicylic acid are there in 1.0 grams of salicylic acid? 2. How many moles of acetic anhydride are there in 3 mL of acetic anhydride? 3. When 1.0g of salicylic acid and 3 mL of acetic anhydride react, DETERMINE which one is the limiting reactant (you can go to General Chemistry if you need help about limiting reagent)? 4. What is phosphoric acid used for in the...
Lab Section Nume Preparation and Examination of a Drug: Aspirin EXPERIMENT 25 OBSERVATIONS AND RESULTS 1....
Lab Section Nume Preparation and Examination of a Drug: Aspirin EXPERIMENT 25 OBSERVATIONS AND RESULTS 1. The Synthesis of Aspirin Record the weight of your aspirin, and calculate the percentage yield. Base the yield on salicylic acid since we acetic anhydride was used. Show all calculations. Weight of aspirin d. 08035 Yield of aspirin 2. Contaminants in Aspirin What was the color of the salicylic acid-ferric chloride test solution? On the basis of color is either your aspirin or commercial...
predict 4. (15 pts) For the synthesis of aspirin, COOH COOH OOH + (Cusco).out o ccis+ CH.COOH Use the following d...
predict
4. (15 pts) For the synthesis of aspirin, COOH COOH OOH + (Cusco).out o ccis+ CH.COOH Use the following data to calculate Amount Molar mass (g/mol) Density (r/ml) Salicylic acid 1.0 g 138.0 Acetic anhydride 2.0 mL 102.0 1.082 Aspirin 1.08 180.0 a. The limiting reagent b. The theoretical yield c. The % yield of the reaction SHOW ALL CALCULATIONS! 119 Solicylic Quid
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...
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment. In this substitute lab exercise, you will watch a short video on preparing aspirin. The video is posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the % yield from the data given by the video. Submit the completed assignment by March...
- OF ASPIRIN ANU UN riment Exercise 7: The Yield of Aspirin Name Date Pred the el the st Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment In this substitute lab exercise, you will watch a short video on preparing aspirin. The videos posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the yield from the data given by...
please help me ! do you think this is good so far ?
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/mL sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g FORMATION OF ESTERS II. PREPARATION OF ACETYL SALICYLIC ACID (ASPIRIN): 1 Complete the table below by entering appropriate values into the empty boxes. Show calculations for all entries clearly below. Reactants Chemical MW Grams of Moles of Moles of Limiting Melting Formula...
i did the synthesis of aspirin experiment and got the data
below. how do you do the theoretical yield? percent yield of the
pure aspirin?
DATA: Mass of Salicylic Acid: 2.034g Volume of Acetic Anhydride used in synthesis: 4.00ml Mass of filter paper: 0.196g Mass of filter paper plus Aspirin: 1.868g Mass of Aspirin: 1.672g Percent Yield of Pure Aspirin: I Experimental Procedure HAZARD: Sulfuric acid, acetic anhydride and glacial acetic acid are corrosive to the skin. They are also...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on interpreting the ferric chloride test for phenols. Two students performed the aspirin synthesis experiment. Their melting point and ferric chloride test data are shown below. Based on the results, which student's aspirin has the higher purity? Justify your choice using the melting point data and ferric chloride test results. Melting point range for pure aspirin = 136-140 °C. Melting point range (°C) Ferric chloride...
Pre-lab Assignment: Synthesis of Aspirin 1. What is the chemical name for aspirin? 2. How does aspirin work in the human body? 3. What is the name of the compound that was isolated from the bark of the willow and had a similar effect as aspirin? 4, what is a common side effect of the compound from #4? 5. Draw and label the complete setup to perform vacuum filtration. 6. What is the theoretical yield for aspirin if you start...
Lab Section Nume Preparation and Examination of a Drug: Aspirin EXPERIMENT 25 OBSERVATIONS AND RESULTS 1. The Synthesis of Aspirin Record the weight of your aspirin, and calculate the percentage yield. Base the yield on salicylic acid since we acetic anhydride was used. Show all calculations. Weight of aspirin d. 08035 Yield of aspirin 2. Contaminants in Aspirin What was the color of the salicylic acid-ferric chloride test solution? On the basis of color is either your aspirin or commercial...
predict
4. (15 pts) For the synthesis of aspirin, COOH COOH OOH + (Cusco).out o ccis+ CH.COOH Use the following data to calculate Amount Molar mass (g/mol) Density (r/ml) Salicylic acid 1.0 g 138.0 Acetic anhydride 2.0 mL 102.0 1.082 Aspirin 1.08 180.0 a. The limiting reagent b. The theoretical yield c. The % yield of the reaction SHOW ALL CALCULATIONS! 119 Solicylic Quid
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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