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Suppose that 300.0 mL of 1.00 M HCl at 25.0°C is added to 300.0 mL of...

Suppose that 300.0 mL of 1.00 M HCl at 25.0°C is added to 300.0 mL of 1.00 M NaOH at 25.0°C in a coffee cup calorimeter. If the enthalpy of the reaction is −54.0 kJ/mol of NaCl formed, what is the final temperature of the solution in the calorimeter? Assume the mixture has a specific heat capacity of 4.18 J/(g·K) and a density of 1.00 g/mL

(1) 3.5°C                     (2) 6.5°C                     (3) 18.5°C                   (4) 31.5°C                   (5) 46.5°C

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