Wednesday
April 16, 2014

Homework Help: chem

Posted by anon on Monday, November 29, 2010 at 9:08pm.

you used a pencil to mark the chromatography paper since the carbon in the "lead" pencil does not dissolve in the solute. why does carbon not dissolve? what type of pen (ink) will also not produce a chromatogram when water is used as the solovent? explain using principles based of the polarity of particles

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