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why do some M&M dye's travel farther than others when placed in water?

  • chemistry -

    Are you talking about M&M candy when placed on a piece of paper and using paper chromatography? If so, the dye has a tendency to stick to the paper but it also wants to dissolve in the water. The different dyes have different solubilities in the solvent and different tendencies to stick to the paper.

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