Thin-layer chromatograph------describe how the rf for a
Thin-layer chromatograph------Describe how the Rf for a compound will change as the developing solvent is made more polar. What is meant by "developing" a TLC plate? What is meant by "visualization" of a TLC plate?
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thin-layer chromatography - explain how you should apply a spot of compound to the tlc plate in order to get the best
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thin-layer chromatograph------describe how the rf for a compound will change as the developing solvent is made more
infrared spectroscopy----how would you know if you used too much liquid and what would you do about it what will damage
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what is the frequency of sound put out by the engine of a car moving at 90kmhr if its four-cylinder engine makes 2000
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