This video is about the AP Chemistry Investigation #5.
Sticky Question: How Do You Separate Molecules That Are Attracted to One Another?
In this video you will learn how to prepare a chromatography paper in order to separate the components of a mixture and how to calculate the retention factor (Rf) of each component.
The mixture used in this experiment contains the following dyes:
- Blue 1
- Red 40
- yellow 5.
Five different solvents were tested:
- Hexane
- ethanol
- 2-propanol
- water
- acetone.
Students studying Chemistry at different levels could highly benefit from this video.