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The lattice energy of KBr is 671.0 kJ/mol and its heat of solution is 19.9 kJ/mol. Calculate the hydration of energy of KBr(s).

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MissPhiladelphia
We are given with
Lattice energy = 671.0 kJ/mol
Heat of solution = 19.9 kJ/mol

Heat of hydration = lattice energy + heat of solution
Heat of hydration = 671.0 kJ/mol + 19.9 kJ/mol
Heat of hydration = 690.9 kJ/mol

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