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please help with this A certain liquid X has a normal freezing point of 7.10C and a freezing point depression constant Kf=4.86C-kg mol 1. Calculate

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A certain liquid X has a normal freezing point of 7.10C and a freezing point depression constant Kf=4.86C-kg mol 1. Calculate the freezing point of a solution made of 15. g of ammonium chloride (NH4Cl) dissolved in 450 . g of X. Round your answer to 3 significant digits

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