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A 4.00 m solution of KCl was prepared using 1.00 kg of water at 25.0 Celsius. Once the solid had all dissolved, the temperature of the solution was 12.3 Celsius. Calculate the heat of solution, DeltaH_soln, of KCl. Assume that the specific heat of the solution is identical to that of water, 4.18 J/(g/C).
kj/mol

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