75.0 mL of 1.75 M HCl and 125.0 mL of 1.50 M NaOH are combined in a constant-pressure calorimeter. Both  solutions are initially at 23.9°C. Calculate the final  temperature of the combined solutions.  combined  solutions is 200.0 g and that the solution’s specific heat  is the same as that for water, 4.184 J/g ⋅ °C.) The heat  capacity of the calorimeter is negligibly small.

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