Question

Ice at –20º C is added to 50 g of water at 40º C. When the temperature of the mixture reaches 0º C, it is found that 20 g of ice is still unmelted. The amount of ice added to the water was close to (Specific heat of water = 4.2 J/g/0C)

(Heat of fusion of water at 0ºC = 334 J/g)

(A) 50 g (B) 100 g

(C) 60 g (D) 40 g

Answer 1

Answer:

40g

Explanation:

is the point clear teta