synthesis of aspirin lab report conclusion

The acetic anhydride was a clear solution with a vinegar-like odour.

Lab 6: Synthesis of Aspirin Conclusion In Part 1, the purpose of the lab is to prepare acetylsalicylic acid, commonly called aspirin, and determine the experiment yield of a synthesis of Aspirin. The main objective of the synthesis of aspirin lab was so produce aspirin (acetylsalicylic acid) through the reaction of salicylic acid and acetic anhydride. It is a pain reliever and a non-steroidal anti-inflammatory (NSAID). First, convert both masses to moles. After the 6 minutes elapsed, 10 mL of distilled water was added to the Erlenmeyer flask and placed in the ice water, avoiding getting any of the ice water in the Erlenmeyer flask. Percent yield = Actual yield x 100 = l 0.676g l x 100 = 34.3%

Took the Erlenmeyer flask to the fume hood and added 5 drops of concentrated sulfuric acid to the mixture.

A contamination of the substances used or the glassware could have caused the substances to react differently with each other, again causing the percent yield to change depending on how the contamination affected the substances by producing a higher or lower percent yield. This means that an alcohol, in, this case the –OH group from salicylic acid, reacts with an acid, in this case acetic anhydride, to, form an ester, acetylsalicylic acid. When the sulfuric acid was added to this solution, it turned clear and was warm. Aspirin is the common name for the compound acetylsalicylic acid, widely used as a fever reducer and as a pain killer. 2. When the solution cooled and the “scratching” method was used, a white precipitate formed. 81. Average literature melting point

Other than being used in the production of aspirin, acetic anhydride is used to convert cellulose to cellulose acetate, a key component in photographic film and other coated materials (Wikipedia, Acetic anhydride, 2013). The goal of this experiment was to synthesize aspirin. In the reaction the hydroxyl group on the benzene ring in salicylic acid reacted with acetic anhydride to form an ester functional group. 5% The benefits of bilingual education are not self-apparent or intrinsically obvious therefore, the notion of bilingual education has to be marketed so that both the. S Oil Dependence and how it could be fixed and changed for the best interest of the. Essay best holiday ever had it becomes better each time to hen thats strong supporting wj mcwhorter night sleepovers with best gift just fight, win, own, fight,.   

Aspirin and Tylenol were synthesized by means of crystallization, recrystallization, and melting point determination.    MARAVILLA, Ana Mikaela B For a limited time, find answers and explanations to over 1.2 million textbook exercises for FREE!

  

Just from personal experience, I, know that this is what aspirin looks like. My, hypothesis for part 1 is that aspirin will be white and powdery. After the 10 minutes elapsed, added 2 mL of distilled water with an eyedropper carefully to avoid splatter. Get Your Custom Essay Percent error of melting point   

When the acetic anhydride and salicylic acid were mixed, they produced a white, powdery solution.

Guest’s name: samar guest’s address: not disclosed, country: guest’s email: not disclosed refered website: want an essay on healthy and harmful food. Retrieved 04, 2014, from https://www.studymode.com/essays/Results-And-Conclusion-For-Aspirin-Synthesis-50058642.html, "Results and conclusion for aspirin synthesis" StudyMode.com. Another source of error could have been due to the transport of the aspirin from the Erlenmeyer flask after cooling to the funnel to be filtered.

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