Chemistry, 23.10.2020 18:20 lineaeriksen

PL HEL M FOR BEING BRAINLIES How can chromatography be used to determine that 2 different pens were used to write the same paper? What is the purpose of water in this experiment?
Plz write in your words plz

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PL HEL M FOR BEING BRAINLIES How can chromatography be used to determine that 2 different pens were...