CH-396
Chromatography and Rf values
Chemistry · Secondary 3 · Easy · Chromatography and Rf values
A student uses paper chromatography to separate three coloured dyes, X, Y and Z. The solvent front moves 8.0 cm from the start line. Dye X moves 2.0 cm, dye Y moves 4.0 cm and dye Z moves 6.0 cm. What is the value of dye Z?
- 0.25
- 0.50
- 0.75
- 1.33
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