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LAB 6 – SYNTHESIS OF ASPIRIN
Observations and Results
The Synthesis of Aspirin
Record the weight of your aspirin andcalculate the percentage yield.
Weight ofAspirin___________________________g
Yield ofAspirin_____________________________%
Computations:Show your work and include units.
Lab 6 - Analysis andConclusions:
1. Discuss why the yield was not100%:
2. Compare the colors in the threetests from the ferric chloride test. Explain your results.
Aspirin Synthesis Data
Mass Salicylic Acid:
Volume Acetic Anhydride:
Mass Final Product:
Calculations:
Salicylic acid (moles)
Acetic anhydride (moles)
Theoretical Yield (g)
% Yield
Synthesis of Aspirin Results Summary Table:
Show calculations whereapplicable:
ReagentMass Volume Density Calculation
Salicylicacid =______________g
Acetic anhydride _______mL _______g/mL =______________g
Moles
Salicylic acid
Acetic anhydride
MolarRatio Stoichiometric Actual Ratio (show calculation)
Salicyclicacid = __________
Acetic acid
Limiting Reagent:
Theoretical Yield:
Actual Yield:
Percent Yield: