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16 Nov 2019
Please help with problem 12 and 13.
Excedrin Migraine Formula tablets provide an interesting separation problem that you are now able to solve. You'd like to verify the overall composition and purify of the compounds in the tablets. Piece of cake Using the flow chart below, identify any reagents or solvents and the compounds (W, X, Y & Z). You may either draw structures or give the name the compounds (or use the abbreviations provided). Consider the TLC plate shown in the figure below. Answer the following questions about the plate. a. Based on the information conveyed by this TLC slide, one would conclude that the material that was spotted lane A is defined as a _____ as opposed to either B or C which are pure substances. b. What could you call the substance marked as a "?" in lane D. _____ c. Why are there pencil line markings made toward the bottom and top of the slide? d. Give the R_f value for x and y (set up the fraction or give the decimal)?
Please help with problem 12 and 13.
Excedrin Migraine Formula tablets provide an interesting separation problem that you are now able to solve. You'd like to verify the overall composition and purify of the compounds in the tablets. Piece of cake Using the flow chart below, identify any reagents or solvents and the compounds (W, X, Y & Z). You may either draw structures or give the name the compounds (or use the abbreviations provided). Consider the TLC plate shown in the figure below. Answer the following questions about the plate. a. Based on the information conveyed by this TLC slide, one would conclude that the material that was spotted lane A is defined as a _____ as opposed to either B or C which are pure substances. b. What could you call the substance marked as a "?" in lane D. _____ c. Why are there pencil line markings made toward the bottom and top of the slide? d. Give the R_f value for x and y (set up the fraction or give the decimal)?
Elin HesselLv2
18 Mar 2019