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DeltaH in terms of 'x' xx 10^(3) KJ is i...

`DeltaH` in terms of 'x' `xx 10^(3)` KJ is if
`M_((g)) + 2X_((g)) rarr M_((g))^(2+) + 2X_((g))^(-)`
Given : `(I.E)_(1)` of M (g) = 705.7 kJ `mol^(-1), (I.E)_(2) " of" M(g)` = 951 kJ `mol^(-1) and (E.A)_(1)` of X(g) = `-328 kJ mol^(-1)` 'x' is

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