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What mass of steam at 100C must be mixed with 450 g of ice at its melting point, in a thermally insulated container, to produce

What mass of steam at 100C must be mixed with 450 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 34.0C? The specific heat of water is 4186 J/kgK. The latent heat of fusion is 333 kJ/kg, and the latent heat of vaporization is 2256 kJ/kg.

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