Using the provided information in the following paper chromatogram : Figure : Paper chromatography for compounds A and B. the calculate Rf value of A ______

Engineering

Chemistry

Chromatography

Question

Using the provided information in the following paper chromatogram :

Figure : Paper chromatography for compounds A and B.

the calculate R_f value of A _______ × 10^–1.

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$R_{f} = \frac{Distance travelled by compound}{Distance travelled by solvent}$

on chromatogram distance travelled by compound is → 2 cm

Distance travelled by solvent = 5 cm

So $R_{f} = \frac{2}{5} = 4 \times 10^{- 1} = 0 .4$

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