What is the purpose of the piece of filter paper inside the 400 mL beaker? What would happen if you
What is the purpose of the piece of filter paper inside the 400 mL beaker? What would happen if you used 100% ethanol, instead of the 1:1 methylene chloride:ethanol mixture, to extract the active ingredients from the commercial unknowns? (Consider the relative polarity of the compounds involved) What is a chromophore? How (thinking on the techniques learned in this lab) might one tell if some unknown powder is or is not, for example, cocaine?
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