Chromatography

Question 1

What phases does chromatography involve

Answer 1

A stationary phase where nothing moves and a mobile phase which does not move

Question 2

In ch omatography what is the stationary phase made of and what is the mobile phase made of

Answer 2

The stationary phase is absorbent paper and the mobile phase is the solvent which is often water

Question 3

What does chromatography seperate

Answer 3

Mixtures into their constituent components

Question 4

What does the solven t do

Answer 4

Dissolved the samples and carries them up the paper

Question 5

What can Rf values be used to identify

Answer 5

The components in a mixture

Question 6

What is the equation to calculate the Rf value

Answer 6

Distance moved by substance
Rf=—————————————————
Distance moved by solvent