CH-456
Chromatography and Rf values
Chemistry · Secondary 3 · Medium · Chromatography and Rf values
A dye mixture is analysed by paper chromatography using ethanol as the solvent. One dye spot travels 4.0 cm while the solvent front travels 8.0 cm. What is the Rf value of this dye?
- 0.20
- 0.50
- 2.0
- 32
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