When 729 G Hydrochloric Acid (36

When 7.29 g hydrochloric acid (36.46 g/mol) and 8.00 g sodium hydroxide (40.00 g/mol) are mixed in 250.0 g water,the temperature of the solution increases by 10.3°C.Assume that the heat capacity of the solution is 4.18 J/(g . °C) .What is the molar enthalpy of neutralization of HCl by NaOH?

A) "57.1 kJ/mol"
B) "-57.1 kJ/mol"
C) "53.8 kJ/mol"
D) "-53.8 kJ/mol"
E) "28.6 kJ/mol"