CH-490
Chromatography and Rf values
Chemistry · Secondary 3 · Medium · Chromatography and Rf values
A student measures the distance moved by a dye spot and the solvent front in paper chromatography. The dye moves 4.0 cm while the solvent front moves 8.0 cm. What is the Rf value of the dye?
- 0.50
- 2.0
- 0.20
- 12.0
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