50 gram of ice at 0^(@)C is mixed with 50 gram of water at 60^(@)C , final temperature of mixture will be :-

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50 gram of ice at 0^(@)C is mixed with 50 gram of water at 60^(@)C , final temperature of mixture will be :-
A. 0^(@)C
B. 40^(@)C
C. 10^(@)C
D. 15^(@)C

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Heat liberated when 50 g of water at 60^(@)C converts into water at 0^(@)C
Q = msDeltaQ= 50 xx 1 x 60 = 3000 cal
From this heat, mass of ice which can be melted is
m= Q/L = 3000/80 = 37.5g
i.e, whole ice is not melted and temperature of mixture will be 0^(@)C.