When 0.15 kg of ice at 0°C is mixed with 0.30 kg of water at 50°C in a container, the resulting temp

When 0.15 kg of ice at 0°C is mixed with 0.30 kg of water at 50°C in a container, the resulting temperature is 6.7°C. Calculate the heat of fusion of ice. (Sauter = 4186 J kg K¹)