Chromatography

Match up

• A dissolved substance

• Stationary Phase

• Drawn in pencil

• Solvent

• Water or Ethanol

• The origin line

• Solvent

• Solute

• Chromatography Paper

• Mobile Phase

Which solute was the most soluble in this solvent?

Which solute was the least soluble in this solvent?

The red pigment travelled 13mm, the solvent front travelled 22mm. What is the R_f value? Give your answer to 3sf

Reorder the following

• Wait for solutes to move up the paper

• Place paper in solvent

• Measure the solute distance and solvent distance

• Add samples of ink to the origin line

• Draw origin line in pencil