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The heat of solution of KCl is 17.2 kJ/mol and the lattice energy of KCl(s) is 701.2 kJ/mol. Calculate the total heat of hydration of 1 mol

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The heat of solution of KCl is 17.2 kJ/mol and the lattice energy of KCl(s) is 701.2 kJ/mol. Calculate the total heat of hydration of 1 mol of gas phase K+ ions and Cl– ions. 

(A) 718 kJ 

(B) 684 kJ 

(C) –684 kJ 

(D) –718 kJ 

(E) None of these. 

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1 Answer

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by (64.8k points)

The Correct option is (C) –684 kJ

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