The specific heat of water
= 4200 J kg⁻¹K⁻¹ and the latent heat of
ice = 3.4 10⁵ J kg^–1. 100 grams of ice at
0^oC is placed in 200 g of water at 25^oC. The
amount of ice that will melt as the temperature
of water reaches 0^oC is close to (in grams) :