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The first and second ionization potentia...

The first and second ionization potentials of helium atoms are 24.58 eV and 54.4 eV respectively. Calculate the energy in kJ required to produce 1 mole of `He^(2+)` ions.

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The correct Answer is:
`7620. 780 kJ`
Required energy `=1 xx (24. 58 + 54.4) xx 96. 49 ) = 7620. 780 kJ`
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