JEE Advanced 2020 Concept Recapitulation Test 3 Paper 1

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Question : 32 of 54
 
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A 0.001 molal solution of a complex [MA8] in water has the freezing point of −0.0054∘C. Assuming 100% ionization of the complex salt and Kf for H2O=1.86km−1, what is the ratio of observed and expected osmotic pressure?
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