Physic

Abstract
The purpose of the experiment is to synthesize aspirin and determine the metaphysical yield and % yield. acetylsalicylic sharp is the product of the esterification reaction between acetic anhydride and salicylic pungent. Theoretically, the limiting reagent is 0.010860 mol of salicylic sulphurous, with 1.9564g of aspirin product from the reaction of 1.5g of salicylic astringent and 5ml of acetic anhydride. The theoretical value in the lab is not adequate to be determined because there was not nice time remaining to dry the filter paper with acetylsalicylic dit and record the weight.
The laboratory synthesized aspirin is unable to be apply as medicine because it is hard to purify aspirin completely. However, the diagnose point of the lab is manufacturing aspirin, which is classified as a commercially available drug. This aspirin is purified by recrystallization, but unreacted salicylic acid and traces of acetic acid would still remain in the aspirin.

Introduction
Aspirin, also know as acetylsalicylic acid, is used to relieve pain, reduce inflammation, and lower fever. Aspirin is one of the most widely used drugs in the world. This potent medicine was originally derived by boiling the bark of the willow tree tree, and has been administered for thousands of years.




During the mid to late 19th century, chemists were able to isolate the entangled known as salicylic acid, and a German chemist named Felix Hoffman was able to synthesize acetylsalicylic acid, which is just as effective as a medicine, but has a lower acidity.
Theoretically, the synthesis of aspirin is not complicated. Manufacturing of aspirin can be done by esterification. Esterification is the acid catalyzed reaction between a carboxyl group and an alcohol to make a carboxylate ester. In this lab exercise, salicylic acid and acetic anhydride are used for making aspirin. The OH group of the salicylic acid combines with the acetic acid. This removes the hydrogen atom from salicylic acid and replaces it with the...If you want to shoot for a full essay, order it on our website: Ordercustompaper.com



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