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The ionisation energy of solid NaCl is 180 kcal, per mol. The dissolution of the solid in water in the from of ions is endothermic to the extent of 1 kcal per mol, If the solvation energies of Na^+ and Cl^- ions are in the rstio 6:5, what is the enthalpy of hydration of sodium ion: |
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Answer» `-85.6 kcal/mol` |
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