Migration distance of solvent front:

Migration distance of known dyes:

Blue 1 (B1):

Green 3 (G3):

Red 3 (R3):

Red 40 (R40):

Yellow 5 (Y5):

Rf values of known dyes = Migration distance of sample / Migration distance of Solvent front

Rf of Blue 1 (B1):

Rf of Green 3 (G3):

Rf of Red 3 (R3):

Rf of Red 40 (R40):

Rf of Yellow 5 (Y5):

Unknown dyes:

Given that the unknown dyes are a combination of the known dyes.

What is the composition of Unknown 1 (U1)?

What is the composition of Unknown 2 (U2)?