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A coffee cup calorimeter containing 100 ml of H₂O is used. The initial temeperature of the calorimeter is 23C. If 2.40 g ofCaCl₂ is added to the calorimeter, What will be the final temperature of the solution in the calorimeter? The heat of solution ΔH_soln of CalCl2 is-82.8kJ/mol.

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