2. contrast the effectiveness of the two solvents. for the inks investigated, alcohol was a better solvent than oil.

3. what is the identity of the mystery ink in the note? use the evidence to support your claim.

the mystery ink in the note was most likely the red ink because that ink separated into the same pattern of the pigments during the chromatography experiment.

4. what observations would lead you to believe that a colored ink is actually a mixture?

i would believe a colored ink is a mixture if i see it…

5. you are given an unknown type of clothing dye. how could you use the procedure in this lab to see if this dye is a mixture?

type your answer here…