CHEM 30AL FALL 2002 Prelab Report Guideline for Aspirin Experiment Part 1 The following guidelines are for week 1 of the experiment Prelab is due at the BEGINNING of the lab section Prelab report MUST be written inside your LAB NOTEBOOK NO EXCEPTION Pre lab Report Guidelines for Aspirin Experiment Week 1 ONLY i ii iii iv information Title of the experiment Reference of procedures Introduction Procedures for week 1 ONLY in flow chart format v MSDS The following chemicals will require you to use the MSDS database on the Web refer to either the lecture syllabus or the MSDS handout Salicylic Acid Sulfuric acid concentrated Acetic Anhydride You should record the following MSDS information in your notebook for the chemicals listed above Printouts directly from the Web pages will NOT be accepted a b c d e f Product Name Chemical Formula Formula Weight Melting Point Boiling Point and Density Health Hazard Data summarize in your own words Spill and Disposal procedures summarize in your own words vi Prelab study questions Must show all work for FULL credit Complete ALL study problems under week 1 vii Data observations Start a NEW page Set up tables but leave blank You MUST record all the observations into your lab notebook during your lab sessions You will NOT receive any credit for your lab technique if you only record the weight of the chemicals for this experiment CHEM 30AL FALL 2002 Postlab Report Guideline for Aspirin Experiment Part 1 This is an INDIVIDUAL report Post lab report MUST be written inside your LAB NOTEBOOK except for graphs A Abstract summarize results and outline the lab technique that you used in the lab to synthesize and or purify the final product B Data Observations See p 94 under the section Synthesis Orderly record of data Data tables should have proper titles labels Documentation of ALL observations during the experiment C Data Analysis MUST SHOW ALL WORK FOR FULL CREDIT Theoretical moles of Aspirin MUST show all work You MUST identify which one is the limiting reagent Crude Yield Corrected Yield D Conclusions summarize results again and comments of any random errors or systematic errors that may affect the experimental results What can you conclude about the crude yield especially if the yield is greater than 100 or less than 50 Explain your reasoning of why that may happen
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