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18. Questions 18.-20. relate to the following diagram. I Red Dye Blue Dye A student placed a sample of a food coloring that contains a
18. Questions 18.-20. relate to the following diagram. I Red Dye Blue Dye A student placed a sample of a food coloring that contains a mixture of a blue dye and a red dye at the top of a chromatography column filled with a nonpolar stationary phase. When water is poured through the column. two bands of colors are seen in the column, as shown in the diagram above. Which of the following will most likely be observed if CH3OH() is used in the column instead of water? (Assume that both solvents flow through the column at the same rate.) (A) The dyes will not pass through the column because CH3OH() is a nonpolar solvent. The dyes will pass through the column at a slower rate because CH3OH(1) is a less polar solvent than (B water. The dyes will pass through the column at a faster rate because CH3OH(1) has a greater molar mass than water. (D) No differences will be observed because the polarity of the solvent does not affect the separation of the dyes
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