Chromatography

Match up

• A dissolved substance

• Stationary Phase

• Water or Ethanol

• Mobile Phase

• Solvent

• Solute

• Drawn in pencil

• The origin line

• Chromatography Paper

• Solvent

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

• Place paper in solvent

• Wait for solutes to move up the paper

• Add samples of ink to the origin line

• Measure the solute distance and solvent distance

• Draw origin line in pencil