Want to seperate them

Chemistry Level pending

Songei
First ionization energy of \(Na\) is \( 494 kJ•mol^{-1}\) and electron affinity of \(Cl\) is \(349 kJ•mol^{-1}\).

\(642 kJ\) is released when 1 mol of gaseous \(Na\) atom react with 1 mol of gaseous \(Cl\) atom to form 1 mol of \(NaCl\) solid.

Calculate the lattice energy (\(KJ\)) of \(NaCl\).

Gene
First ionization energy of \(\text{Na}\) is \(494 \text{ kJ} \cdot \text{mol}^{-1}\) and electron affinity of \(\text{Cl}\) is \(349 \text{ kJ} \cdot \text{mol}^{-1}\). And \(642 \text{ kJ}\) is released when \(1 \text{ mol}\) of gaseous \(\text{Na}\) atom react with \(1 \text{ mol}\) of gaseous \(\text{Cl}\) atom to form \(1 \text{ mol}\) of \(\text{NaCl}\) solid.
Calculate the lattice energy (in \(\text{kJ}\)) of \(\text{NaCl}\).

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