ASPIRIN SYNTHESIS CHEM LAB
why do chemists make new compounds? - curiosity and chance
how is aspirin (C9H8O4) synthesized? (what compounds are used?) - catalyst phosphoric acid
(H3PO4) from salicylic acid (C7H6O3) and acetic anhydride (C4H6O3)
how many mL of water are needed to put in the beaker on the hot plate (in the preparing the
reaction mixture section) - 150-200mL
how high should the temperature be to heat the reaction mixture? - 90-100 degrees Celcius
how many grams of salicylic acid should be in the 25 x 150 mm test tube? - about 3g (do not weigh)
True or False: Your TA will add 6.00 mL of acetic anhydride directly to the test tube containing the
salicylic acid - True
what acts as a catalyst to the reaction mixture? - H3PO4
what size filter paper should be used in the funnel? - 5.5 cm filter paper
True or false: Your TA should show you how to use the vacuum pump - True
filtrate - liquid that comes through a filter
how will the crude product be recrystallized? - using a mixed-solvent system
true or false: aspirin is much more soluble in ethyl alcohol than in water - TRUE
how long will we wait for the final product to dry ? - 1 week
why do chemists make new compounds? - curiosity and chance
how is aspirin (C9H8O4) synthesized? (what compounds are used?) - catalyst phosphoric acid
(H3PO4) from salicylic acid (C7H6O3) and acetic anhydride (C4H6O3)
how many mL of water are needed to put in the beaker on the hot plate (in the preparing the
reaction mixture section) - 150-200mL
how high should the temperature be to heat the reaction mixture? - 90-100 degrees Celcius
how many grams of salicylic acid should be in the 25 x 150 mm test tube? - about 3g (do not weigh)
True or False: Your TA will add 6.00 mL of acetic anhydride directly to the test tube containing the
salicylic acid - True
what acts as a catalyst to the reaction mixture? - H3PO4
what size filter paper should be used in the funnel? - 5.5 cm filter paper
True or false: Your TA should show you how to use the vacuum pump - True
filtrate - liquid that comes through a filter
how will the crude product be recrystallized? - using a mixed-solvent system
true or false: aspirin is much more soluble in ethyl alcohol than in water - TRUE
how long will we wait for the final product to dry ? - 1 week
