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How much boiling water at 100^@C is need...

How much boiling water at `100^@`C is needed to melt 2 kg of ice so that the mixture, which is all water, is at `0^@`C ? Given : specific heat capacity of water = 4.2 J `g^(-1) K^(-1)`, specific latent heat of ice = 336 J `g^(-1)`.

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1.6 kg
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