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RECORD THE MASS BELOW!!
RECORD THE MASS BELOW!!
A new starting mass of Excedrin is randomly generated each time you refresh the page. Thx, Roby!
- Crush and dissolve the Excedrin tablet
Obtain the mass of a single tablet of Excedrin (randomly generated mass above)
crush using a mortar and pestle
For the remote lab: TAs will provide each group with a starting mass of Excedrin
Before you start: calculate the theoretical amounts (mg) of ASP, ACE, and CAF using the theoretical % recoveries from Exp 1 Pre-Lab #1 and the starting mass of Excedrin
At the end: subtract product loss from the theoretical amounts to determine the mass recoveries
Add 20 mL of ORG solvent, ethyl acetate (EtOAc), to the mortar
mix with a stir rod in the fume hood for 5 minutes
Discuss:
Which components of Excedrin are dissolved in solution? Are there any components of Excedrin that do not dissolve?
filter&decant_cc.mp42. Filter and decant the solution
2. Filter and decant the solution
Decant the solution into a small glass funnel with a small piece of cotton using a glass stir rod to aid in the transfer
*Product loss: subtract 1 mg from each ASP, ACE, and CAF
Collect the filtrate directly in a separatory funnel secured on a support ring on a ring stand
Discuss:
What contributes to the product loss during this step?
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