Ice at –20° C is added to 50 g of water at 40°C. When the temperature of the mixture reaches 0°C, it is found that 20 g of ice is still not melted. The amount of ice added to the water was close to(Specific heat of water = 4.2 J/g/°C)Specific heat of Ice = 2.1 J/g/°CThe heat of fusion of water at 0°C = 334 J/g)
A 50 g
B 40 g
C 60 g
D 100 g