Answer to Question #103208 in Other for Mayowa

Question

A solution of a substance was spotted at the distance 0.5cm from the base of a 20cm high plate.
Upon elution the solvent front got to a place of 0.5cm from the top of the plate. If the compound
moves half way up the 20cm long plate. Whai is the RF value of this compound?

Answer 1

Rf value is equal to distance traveled by the compound/distance traveled by the solvent font

Therefore: the rf value is 9.5/19 which is equal to 0.5

RF=0.5