Laboratory Report 26 Name: Section. Date_ Synthesis of Aspirin Mass of Salicylie

Question

Laboratory Report 26 Name: Section. Date_ Synthesis of Aspirin Mass of Salicylie Acid 0.49 Mass of Fülter Paper and Watch clas u3 Mass of Watch Glass, Filter Paper, and Aspirin Product 2 59 Properties of Aspirin Salicylic Acid Aspirin ProductAspirin Tablet Melting Point Fe Observations (Color of solution) W Spot distance Solvent front distance | // Thin Layer 1. Calculate the number of moles of salicylic acid used in this experiment. 38.185 mol maximum amount of acetylsalicylic acid in grams that may be obtained from this amount of salicylic acid. This is the theorctical yield. Hint: See Pre-Laboratory Questionr 3-5 3. Determine the mass of aspirin obtained in this experiment and calculate the percent yield. o 01448 mous group). (a) What compound was used as a positive control for the Fe" test in this experiment? (b) Did the reac- tion product give a positive or negative test result with Fe ions? Explain. 4. Iron(II) ions are used as a qualitative test for phenols (aromatic compounds containing an -OfI functional give positve re HS 6 Laboratory Experiments for General, Organic and Biolegical Cbemistry

Explanation / Answer

1) Mass of salicylic acid taken = 0.49 g.

Molar mass of salicylic acid = 138.118 g/mol (given).

Number of moles of salicylic acid used in the experiment = (mass of salicylic acid)/(molar mass of salicylic acid) = (0.49 g)/(138.118 g/mol) = 0.0035477 mole 0.00355 mole (ans).

I need the data for your synthesis to answer the other questions.

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