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posted by Ivy on Thursday, September 8, 2011 at 10:06pm.

HOw much energy is required to ionize a mole of Hydrogen atoms?

E = 2.180E-18J x (1/1^2 - 1/infinity^2) E = 2.180E-18J/atom. That times 6.022E23 gives J/mol H atoms.

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