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Chromatography Rf value calculation
In a chromatography experiment, a blue colour moved 4.77 cm.
The solvent moved 5.30 cm.
Calculate the Rf value for the blue colour.
Rf value =
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Marking points
- 1 Use Rf = distance moved by colour / distance moved by solvent = 4.77 / 5.30.
- 2 Give Rf = 0.9.
Full-mark answer
Rf = 4.77 / 5.30 = 0.9.