In paper chromatography, a compound has an Rf value of 0.4. If the solvent front travels 8.0 cm, how far does the compound travel?
Correct answer: B. 3.2 cm
- A. 2.0 cm
- B. 3.2 cm
- C. 4.0 cm
- D. 8.0 cm
Explanation
Rf distance traveled by compound/distance traveled by solvent. Distance= Rf × solvent distance= 0.4 x 8.0 = 3.2 cm.
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