Sunday, December 29, 2013

The aim of the experiment is to determine the percentage of aspirin in different commercial preparations (Aspirin & Magnyl) and to find out which is the best value for money.

Report: Analysis of acetylsalicylic acid Tablets. Aim: The aim of the sample is to determine the ploughshare of aspirin in different technical preparations ( acetylsalicylic acid & deoxyadenosine monophosphate; Magnyl) and to see out which is the best value for money. Hypothesis: Aspirin is a monoprotic (monobasic) erosive and in that locationfore, reacts with atomic number 11 hydroxide closure agree to the equation: CH3-COO-C6H4-COOH + NaOH à CH3-COO-C6H4-COONa + H2O : *Aspirin and Magnyl tablets. *NaOH *Phenolphthalein *95 % ethanol *digital scale *Conical flaskfulful *Graduated cylinder *Beaker * squeeze *Magnate stirrer *Funnel *Pipette *Burette * seal & Mortar Procedure: *Aspirin 500mg, 20 tablets for 27.15 DKK. all(prenominal) tablet for 1.35 DKK. *Magnyl 500mg, 20 tablets for 1)Weigh out accurately one Aspirin or Magnyl tablet. 2)Grind the tablet and put it into a 50cm3 conical flask and dissolve it in 10cm3 of 95% ethanol. 3)Titrate this so lution with 0.1 mol dm-3 sodium hydroxide solution. 4)Use two drops of phenolphthalein solution as indicator. 5)Keep titrating the solution until you repair a change in colour. As you see a light purple in your solution, mark off titrating and contemplate the burette. Setup: 1.
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I accurately weighed the mass of an Aspirin tablet on a digital scale. m (Aspirin tablet, 500mg) = 0.60g *500mg is the mass of brisk ingredients in a single aspirin tablet. 2.I grinded the tablet with a pestle and mortar. In order to get sure that there is no aspirin left inside the mortar by and by grinding, I poured virtually dro ps of ethanol and stirred well and poured it! into the conical flask. 3.I measured 10cm3 of 95% ethanol in a burette. and then I poured the mentioned issue forth of ethanol into the conical flask and dissolved the grinded tablet with... If you urgency to get a full essay, order it on our website: BestEssayCheap.com

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