Essential Chemistry for IGCSE - Particles And Purification (Section 4 - No. 43)
What property of a substance is determined by its 'R_f' value in chromatography?
Its size
Its solubility in the mobile phase
Its boiling point
Its melting point
Explanation
The R_f value reflects the relative affinity of a substance for the mobile and stationary phases, thus reflecting its solubility.
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