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When 50.0 mL of 0.400 mol L-1 Ca(NO3) 2 is added to 50.0 mL of 0.800 mol L-1 NaF,CaF2 precipitates,as shown in the net ionic equation below.The initial temperature of both solutions is 23.0 °C.Assuming that the reaction goes to completion,and that the resulting solution has a mass of 100.00 g and a specific heat of 4.18 J g-1°C-1 ,calculate the final temperature of the solution.
Ca2+(aq) + 2 F-(aq) → CaF2(s) H = -11.5 kJ
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