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In the following experiment, a coffee-cup calorimeter containing 100.0 mL of H2O is used. The initial temperature of the calorimeter is 23.0 C . If

In the following experiment, a coffee-cup calorimeter containing 100.0 mL of H2O is used. The initial temperature of the calorimeter is 23.0 C . If 9.90 g of CaCl2 is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The enthalpy of dissolution rH of CaCl2 is 82.8 kJ mol1 .

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