The distance moved by the solvent is 9.5 cm.
<h3>Calculation:</h3>
Given,
Rf value of yellow dye = 0.60
Distance moved by yellow distance = 5.7 cm
To calculate,
Distance moved by the solvent =?
We know that the Rf value in chromatography is calculated as:
Rf = distance moved by the solute/ distance moved by the solvent
Putting the given values in the above formula, we get
0.60 = 5.7/ distance moved by solvent
Distance moved by the solvent = 5.7/0.60
Distance moved by solvent = 9.5 cm
<h3>
What is the Rf value?</h3>
The ratio of the analyte's (solute) distance traveled to the solvent front on a chromatogram is known as the retention factor (Rf) value.
When using mobile solvents, analytes move differently depending on the type of chromatographic procedure used to transfer them to the stationary phases. The differences between analytes' affinity for stationary and mobile solvents are what cause this difference. The longer an analyte is in place, the lower its Rf value will be, and vice versa, depending on its relative affinity with a stationary phase.
Learn more about the Rf values here:
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