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RE: Plasma has mass. ?????

"n some cases it might be low mass as in the case of air. It's still the same molecules there just now the nuclei have had the bond with all their electrons overcome. It's not like they suddenly get zapped out of existence. "

Obviously but for all practical purposes it has essentially no mass. A flame of 8 mm is roughly cylindrical with about 3mm diameter giving a volume of 56.54 mm2. Given 1 atm pressure and room temperature (298K) and using the ideal gas law, PV=nRT we can calculate the number of moles of air molecules (obviously air is a mix of gases but we can estimate this way). The calculation gives about 82 ng mass if you assume the mass of nitrogen molecule (28 N2). So if that is not close enough to zero mass for you then I am not sure what is.

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