Capillary Zone Electrophoresis Questions (Module 1) Question 1.1 A 0.1% solution of dimethylformamide (DMFA) was prepared to be used as a neutral marker for an electroosmotic flow experiment. Why is it essential to have an uncharged molecule for such an experiment? Draw the structure of DMFA (including the resonance structures). Is this compound ionizable? Why or why not? (Hint: draw all of the electronic structures possible for DMFA).