183. In order to cool 1 ton (1000 kg) of water at 20°C in an insulated tank, a person pours 80 kg

of ice at -5°C into the water. Determine the final equilibrium temperature in the tank. The

melting temperature and the heat of fusion of ice at atmospheric pressure are 0°C and 333.7

kJ/kg, respectively.

A. 12.43°C B. 14.43°C

C. 16.43°C D. 18.43°C