Chemistry 8.1.3

Question 1

What is ‘Chromatography’ Used for?

Answer 1

Chromatography is Used to Separate Substances, & Provide Information to help Identify them.

Question 2

How can you Know if a Substance is Pure or Impure via Chromatography?

Answer 2

A Pure Substance only Produces 1 Dot. Impure Substances, however, Produce Multiple Dots.

Question 3

Retention Factor = …

Answer 3

Distance Moved by Substance / Distance Moved by Solvent