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In ice cream making, the ingredients are kept below 0.0 Celsiusin an ice-salt bath.

A) Assuming that NaCl dissolves completely andforms an ideal solution, what mass of it is needed to lower themelting point of 5.5 kg of ice to -5.0 Celsius?

B) Given the same assumptions as in part (A) , what mass of CaCl2 is needed?

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