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In the following experiment, a coffee-cup calorimeter containing 100 mL m L of H2O H 2 O is used. The initial temperature of the calorimeter is 23.0 ∘C ∘ C . If 3.70 g g of CaCl2 C a C l 2 is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The heat of solution ΔHsoln Δ H s o l n of CaCl2 C a C l 2 is −82.8 kJ/mol − 82.8 k J / m o l . Assume that the specific heat of the solution formed in the calorimeter is the same as that for pure water: