The lattice enthalpy of solid \( \mathrm{NaCl} \) is \( 772 \mathrm...

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The lattice enthalpy of solid \( \mathrm{NaCl} \) is \( 772 \mathrm{kJmol}^{-1} \) and
\( P \) enthalpy of solution is \( 2 \mathrm{kJmol}^{-1} \). If the hydration

W. enthalpy of \( \mathrm{Na}^{+} \& \mathrm{Cl}^{-} \)ions are in the ratio of \( 3: 2.5 \), what is the magnitude of enthalpy of hydration (in \( \mathrm{kJ} \) ) of chloride ion?
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