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Given 100 g of hot tea at 90 C what mass of ice at -10 C must be added in order to obtain a final temperture of 10 C

Specific heat of ice=2.09J/g.C
Specific heat of tea=4.18J/g.C
Normal freezing point of water = 0C boiling point= 100C
Delta H =+6.01 kj/mol for the melting ice

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