What is a mobile phase?
When the molecules can move. This is always a liquid or a gas
What is the stationary phase?
When the molecules can’t move. This can be a solid or a really thick liquid
What is the stationary phase in chromatography?
The chromatography paper
What is the mobile phase in chromatography?
The solvent
What is the formula for the Rf value?
Rf = distance moved by substance/distance moved by solvent