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02-11-2018
Chemistry

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If the solvent front is 68 mm and the ring front of an unknown is 48mm from the original spot, what is the rf value?

Respuesta :

Annainn Annainn

12-11-2018

Given:

Distance of solvent front = 68 mm

Distance of unknown = 48 mm

To determine:

The rf value

Explanation:

The retention factor or the rf value is given by the ratio of distance traveled by the unknown to the distance traveled by the solvent front

RF = distance by unknown/distance by solvent

RF = 48/68 = 0.706

Ans: the RF value is 0.706

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