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3 Cards in this Set
- Front
- Back
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What factors determine the speed at which molecules move along the chromatography paper |
Solubility and polarity |
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Do polar solutes travel faster or slower than non-polar solutes and why |
Slower because it sticks to the surface due to exposed -OH groups making the surface polar, and therefore forming H bond with the molecules |
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What do you use for colourless molecules |
UV light Ninhydrin (makes amino acids brown visible spots) Iodine |
