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Calculate the amount of CaCI(2) ("molar ...

Calculate the amount of `CaCI_(2) ("molar mass"=111 g mol^(-1))` which must be added to 500 g of water to lower its freezing point by 2 K assuming `CaCI_(2)` to be completely dissoviated `(K_(f) for = 1.86 "K kg mol"^(-1))`.

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