What conclusions did you draw about the synthesis and purity of your aspirin product by comparing...
What conclusions did you draw about the synthesis and purity of your aspirin product by comparing the melting point of your CRUDE and PURE products to the literature values? Answer in one-three sentences (8 pts)
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What conclusions did you draw about the synthesis and purity of
your aspirin product by comparing...
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 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...
The weight of aspirin is 1.6 g and the reagents used to perform this synthesis was...
The weight of aspirin is 1.6 g and the reagents used to perform
this synthesis was 1.48 g salicylic acid, 3 mL ethanoic anhydride,
3 drops H2SO4, and acetylsalicylic acid
Synthesis of Aspirin Post-lab Questions February 2, 2018 Discussion of the aspirin product including, 1. The calculated percent yield of your aspirin product and comments on its purity based on the literature melting point and literature IR spectrum. Label all major peaks in the IR spectrum of your aspirin product....
purple color, what does that suggest TFF Your (aspirin) product shows a light about the purity...
purple color, what does that suggest TFF Your (aspirin) product shows a light about the purity of your produce ? does and it all too purple color e Сост commercial aspiniu show a light igla br 1 сеа оf са ?
Name Lab Partner LAB 9 REFLECTIVE EXERCISES Lab Section 1 What data did you collect to...
Name Lab Partner LAB 9 REFLECTIVE EXERCISES Lab Section 1 What data did you collect to indicate that you successfully produced aspirin? What did your results indicate about the purity of the aspirin you obtained? Explain your answers. 2 Given that the melting point of salicylic acid is 159 C, can you be certain that the product you isolated was not pure solicylic acid that was unchanged during the reaction? Can you be certain that the product you isolated was...
Calculate the theoretical yield of the aspirin. Show all work: 2.50x 180 aSpirin DATA TABLE for A...
Please use picture #1 to answer the chemistry questions in picture
#2. Thank you
Calculate the theoretical yield of the aspirin. Show all work: 2.50x 180 aSpirin DATA TABLE for ASPIRIN: Mass of salicylic acid (g): Mass of filter paper (g): Calculated theoretical yield of &.So aspirin product: 3.26 Salycylic acid color with Fer FeCl, color tests Your aspirin color with FeCl: Dark pure - Part 2: Mass of acetylsalicylic acid (aspirin) after drying and filter paper Mass aspirin) Calculate...
What was the experimental percent yield? What were the reasons for your low or high percent...
What was the experimental percent yield? What were the reasons for your low or high percent yield? Part II Melting Point Determination ak. 1. What was the purpose of determining the melting point of aspirin? 2. How was the melting point determined? Briefly explain the procedure. 3. What changes indicated that the melting point had been reached? 4. What were the temperatures when melting was first noted and when all solid sample completely melted? What was the melting point of...
2. Draw the structure of aspirin. Circle and label the ester group and the carboxylic acid...
2. Draw the structure of aspirin. Circle and label the ester group and the carboxylic acid group. What functional group of the aspirin causes it to irritate the stomach? 3. In the synthesis of aspirin what is the function of the H2so4? 4. If the melting point of the aspirin you synthesize has a wide melting point range, what does that indicate? 5. If you treat your synthesized aspirin with FeClh and you get a purple color, what does that...
if using piperonaldehyde, what would the answers be? Write an equation for the Aldol reaction that takes place for the aldehyde you used for this experiment. Show the exact structures for aldehyd...
if
using piperonaldehyde, what would the answers be?
Write an equation for the Aldol reaction that takes place for the aldehyde you used for this experiment. Show the exact structures for aldehyde and product (not "general" structures with "R" groups). 1 2 Compare the crude and purified melting points from this lab with the literature melting point of your compound. What do these data say about the purity of your "green chalcone before and after purification? 14 When only a...
evented or corrected. If you did not make any error 8: Describe any errors you may...
evented or corrected. If you did not make any error 8: Describe any errors you may have made during this procedure and how they could you did not make any errors, provide at least one theoretical source of error T-LAB QUESTIONS: 1. Give two physical properties you observed in your crude (unpurified) asp in your crude (unpurified) aspirin sample. 2. If the theoretical vield of a reaction was calculated to be 3.11g and the actual yield was a yield for...
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 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...
The weight of aspirin is 1.6 g and the reagents used to perform
this synthesis was 1.48 g salicylic acid, 3 mL ethanoic anhydride,
3 drops H2SO4, and acetylsalicylic acid
Synthesis of Aspirin Post-lab Questions February 2, 2018 Discussion of the aspirin product including, 1. The calculated percent yield of your aspirin product and comments on its purity based on the literature melting point and literature IR spectrum. Label all major peaks in the IR spectrum of your aspirin product....
purple color, what does that suggest TFF Your (aspirin) product shows a light about the purity of your produce ? does and it all too purple color e Сост commercial aspiniu show a light igla br 1 сеа оf са ?
Name Lab Partner LAB 9 REFLECTIVE EXERCISES Lab Section 1 What data did you collect to indicate that you successfully produced aspirin? What did your results indicate about the purity of the aspirin you obtained? Explain your answers. 2 Given that the melting point of salicylic acid is 159 C, can you be certain that the product you isolated was not pure solicylic acid that was unchanged during the reaction? Can you be certain that the product you isolated was...
Please use picture #1 to answer the chemistry questions in picture
#2. Thank you
Calculate the theoretical yield of the aspirin. Show all work: 2.50x 180 aSpirin DATA TABLE for ASPIRIN: Mass of salicylic acid (g): Mass of filter paper (g): Calculated theoretical yield of &.So aspirin product: 3.26 Salycylic acid color with Fer FeCl, color tests Your aspirin color with FeCl: Dark pure - Part 2: Mass of acetylsalicylic acid (aspirin) after drying and filter paper Mass aspirin) Calculate...
What was the experimental percent yield? What were the reasons for your low or high percent yield? Part II Melting Point Determination ak. 1. What was the purpose of determining the melting point of aspirin? 2. How was the melting point determined? Briefly explain the procedure. 3. What changes indicated that the melting point had been reached? 4. What were the temperatures when melting was first noted and when all solid sample completely melted? What was the melting point of...
2. Draw the structure of aspirin. Circle and label the ester group and the carboxylic acid group. What functional group of the aspirin causes it to irritate the stomach? 3. In the synthesis of aspirin what is the function of the H2so4? 4. If the melting point of the aspirin you synthesize has a wide melting point range, what does that indicate? 5. If you treat your synthesized aspirin with FeClh and you get a purple color, what does that...
if
using piperonaldehyde, what would the answers be?
Write an equation for the Aldol reaction that takes place for the aldehyde you used for this experiment. Show the exact structures for aldehyde and product (not "general" structures with "R" groups). 1 2 Compare the crude and purified melting points from this lab with the literature melting point of your compound. What do these data say about the purity of your "green chalcone before and after purification? 14 When only a...
evented or corrected. If you did not make any error 8: Describe any errors you may have made during this procedure and how they could you did not make any errors, provide at least one theoretical source of error T-LAB QUESTIONS: 1. Give two physical properties you observed in your crude (unpurified) asp in your crude (unpurified) aspirin sample. 2. If the theoretical vield of a reaction was calculated to be 3.11g and the actual yield was a yield for...
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