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Rf will be 0.697
Retention factor can be defined as;
The ratio of distance travelled by substance to the distance travelled by solvent. Substances start at the origin. The starting point of the compound is called the origin. This is where we measure the distance moved by the substance.
According to the question;
The given data is:
spot distance = 9.9 cm
solvent distance = 14.2 cm
We will have to find the retention factor value:
Rf = ?
The formula to find Rf is as follows;
Rf = spot distance / solvent distance
Rf = 9.9 cm / 14.2 cm
The answer after the solution is :
Rf = 0.697
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