A Bucket of Water with a Mass of 20 Kg

Multiple Choice

A bucket of water with a mass of 20 kg at 18°C is to be cooled to 0°C by dropping ice cubes at 0°C into it. The latent heat of fusion of ice is 334 kJ/kg, and the specific heat of water is 4.18 kJ/kg.°C. The amount of ice that needs to be added is

A) 4.5 kg
B) 0.25 kg
C) 10 kg
D) 20 kg
E) 8.6 kg