CH-1342
Chromatography and Rf values
Chemistry · Secondary 4 · Medium · Chromatography and Rf values
A student wants to separate a mixture of coloured inks in a marker using paper chromatography. The solvent front moves 9.0 cm from the start line, while one ink spot moves 4.5 cm. What is the Rf value of this ink?
- 0.25
- 0.50
- 2.0
- 4.5
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