(Answered) The compound x2y is only partially dissociated in water

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The compound X2Y is only partially dissociated in water solution to form X and Y2- ions. A 0.0100 m solution is found to freeze at -0.040°C. Calculate the apparent percent dissociation of X2Y. Kf for water = 1.86°C/m.

i) 42%

ii) 56%

iii) 58%

iv) 79%

v) 85%

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