Essential Chemistry for IGCSE - Particles And Purification (Section 3 - No. 17)
What is the purpose of the R_f value in paper chromatography?
To identify the substance
To measure the distance traveled by the solvent
To compare the substance to others
To calculate solubility
Explanation
The R_f value helps identify and compare the substance based on its movement on the paper.
Comments (0)
