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During the aspirin synthesis a student began with 4.057 grams of salicylic acid (density=1.443 g/mL, mol.wt....
Aspirin can be prepared from salicylic acid (C7H6O3C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H3O2C7H6O3+C4H6O3⟶C9H8O4+C2H3O2 What is the yield of aspirin (C9H8O4C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.02 g of salicylic acid with 1.07 mL of acetic anhydride?
Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H3O2 What is the yield of aspirin (C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.18 g of salicylic acid with 1.05 mL of acetic anhydride?
QUESTION 4 Benzoic acid, salicylic acid, and acetyl salicylic acid have a functional group called Phenol and salicylic acid have a functional group called Acetyl salicylic acid is the only compound with an QUESTION 5 If 1.57 g of salicylic acid (MW = 138.121 g/mol) and 6.9 mL of acetic anhydride (MW = 102.09 g/mol; d = 1.08 g/mL) was used to synthesize aspirin (MW = 180.2 g/mol). How many mols of salicylic acid were used? (Answer to the ten...
The synthesis of aspirin was performed using 2.253 g of salicylic acid and 5.0 mL of acetic anhydride. Calculate the number of moles of salicylic acid. Remember significant figures. a. 0.016 moles b. 0.01633 moles c. None of the other options are acceptable d. 0.02207 moles e. 0.01631 moles
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on interpreting the ferric chloride test for phenols. Two students performed the aspirin synthesis experiment. Their melting point and ferric chloride test data are shown below. Based on the results, which student's aspirin has the higher purity? Justify your choice using the melting point data and ferric chloride test results. Melting point range for pure aspirin = 136-140 °C. Melting point range (°C) Ferric chloride...
What is the theoretical yield of aspirin (180g/mol) from the reation of 2.0 g salicylic acid (138g/mol) with 5.0 mL of acetic anhydride (d=1.082g/mL, 102 g/mol)?
A) A student weighed out 3.52 g. of salicylic acid in a 100 mL flask and adds 2.3 mL of acetic anhydride (density= 1.080 g/mL). Determine the maximum(theoretical) number of grams of acetylsalicylic acid she can prepare. B) If the student obtained 4.21 g. of aspirin, calculate the % yield. Briefly, explain why she might have obtained this amount of product.
find the theoretical yield of the acetysalicylic acid . EXPERIMENT 19 PREPARATION OF ASPIRIN In addition to the Fischer esterification method presented in Experiment 18, a second method for preparation of esters involves the reaction of anhydrides with the hydroxyl This method is ospecialy usoful for tho preparation of acetate esters, since acetic anhydride is an inexpensive and reactive reagent. In this experiment the hydroxyl group of salicylic acid is acetic anhydride to make acetylsalicylic acid, or aspirin. The short...
A student noticed that after drying the aspirin for a week in his drawer, the aspirin crystals appeared to be dry but the filter paper was still damp. He went ahead and performed the weighing as directed in the procedure. Did the damp filter paper affect any of the following? In each case, briefly explain your answer. 2. a. theoretical yield b. calculated actual yield calculated percent yield C. Name Class & Section Preparation of Aspirin - Report Form Data...
1. Mass of salicylic acid (g) 2.0089 5.10ml & 2. Volume of acetic anhydride (mL) Limiting reactant is (circle one): Salicylic Acid or Acetic Anhydride Calculation for Limiting Reactant: 3. Theoretical yield of aspirin (9) Calculation for Theoretical Yield of aspirin: 4. Mass of filter paper 0.3369 N 5. Mass of filter paper + aspirin 2.471g 6. Experimental Yield of aspirin (g) 7. Percent Yield Synthesis of Aspirin An early oral pain reliever, salicylic acid, was determined to cause stomach...