Students will test the solubility of each possible component of a commercially available pain reliever in an organic solvent, ethyl acetate, and in a basic aqueous solution of sodium bicarbonate. These results will help the student create a procedure that will be used to separate components in a mixture and determine percent composition. The activity contains enough materials for 15 groups of students as well as a Teacher’s Guide and Student Study Guide Copymasters. Meets Big Idea 3, Investigation 9, Primary Learning Objective 3.10.

Kit Includes:
750mL Ethyl Acetate
750mL Sodium Bicarbonate, 10%
250mL 6.0M Hydrochloric Acid
50g Sucrose
100g Acetaminophen
100g Acetylsalicylic Acid
1 pkg pH Strips 1-14 Pkg/100

**Materials needed but not included:
Beakers, 100mL
Erlenmeyer Flask, 125mL
Filter Paper
Funnels
Graduated Cylinders
Hot Water Bath
Ice Bath
Separatory Funnels
Lab Stand with Ring Clamps
Test Tubes
Laboratory Spatulas
Distilled or Deionized Water