If any solute 'A' dimerises in water at 1 atm pressure and the boiling point of this solution is 100.52∘C. If 2 moles of A is added to 1 kg of water and kb for water is 0.52∘C/molal, calculate the percentage association of A?
A
50%
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B
30%
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C
25%
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D
100%
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