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50 g ice at 0^(@)C is dropped into a cal...

50 g ice at `0^(@)C` is dropped into a calorimeter containing 100 g water at `30^(@)C`. If thermal . capacity of calorimeter is zero then amount of ice left in the mixture at equilibrium is

A

12.5 g

B

25 g

C

20 g

D

10 g

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