Grams of steam at is mixed with 200 g of ice at its melting point in a thermally…

PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

M

grams of steam at

100^\circ\text{C}

is mixed with 200 g of ice at its melting point in a thermally insulated container. If it produces liquid water at

40^\circ\text{C}

[heat of vaporization of water is

540 \text{ cal/g}

and heat of fusion of ice is

80 \text{ cal/g}

], the value of

M

is _____