Write the equation for calculating Rf value ?
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The Equation For Calculating RF = Ds/Df.
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Calculate the retention factor using this equation: RF = Ds/Df. Simply divide the distance the solution traveled by the distance the solvent traveled. The retention factor will always be between zero and one. It cannot be zero because the substance must have moved, and it cannot be more than one because the solution cannot travel farther than the solvent
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