CHEM 162 LAB #6: SYNTHESIS OF ASPIRIN University of Washington

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Goals of this lab: • Synthesize aspirin and evaluate the product for purity and yield • Perform stoichiometry calculations to determine expected yield vs. percent yield • Apply Beer’s law t... o determine the amount of impurity in the crude product • Compare melting points of the crude product and pure aspirin to evaluate determine relativepurity of the product Your lab report will be graded on the following criteria using a poor/good/excellent rating system: • Calculations are accurate and complete based on data gathered; proper significant figures andunits are used • Data collected is reasonable; measurements are careful and accurate • Conclusions are reasonable and logical • Lab report is completed neatly with organized responses and legible handwriting By signing below, you certify that you have not falsified data, that you have not plagiarized any part of this lab report, and that all calculations and responses other than the reporting of raw dataare your own independent work. Failure to sign this declaration will result in 5 points being deducted from your lab score. Signature: This lab is worth 60 points: 10 points for notebook pages, 50 points for the lab report (Do NOT include your notebook pages when you scan your report for upload into Gradescope.) [Show More]

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