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Use the following data to calculate \( \Delta_{\text {lattice }} \mathrm{H}^{\square} \) for \( \mathrm{NaBr} \).
\( \mathrm{P} \)
\( \Delta_{\text {Sub }} \mathrm{H}^{\square} \) for sodium metal \( =108.4 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
W
Ionization enthalpyof sodium \( =496 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
Electron gain enthalpyof bromine \( =-325 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
Bond dissociation enthalpy of bromine \( =192 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
\( \Delta_{\mathrm{f}} \mathrm{H}^{\square} \) for \( \mathrm{NaBr}(\mathrm{s})=-360.1 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
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