Solution)
Let the Mass of the ice be x kg
Now, Heat lost by water, Q1 = mcdelta t
= 0.200 * 4190 * ( 71.2-37) = 28659.6 J
Now, Heat gained by ice, Q2 = m Ci Δt + m Li + m Cw Δt
= x [ 2100 * 17 + 334 x 10^3 + 4190 * 37 = x * 524730
We know,
From the principle of method of mixtures
x * 524730= 28659.6
Mass of the ice, x = 0.0546 kg = 54.6 g (Ans)
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