JEE Main 2026 Model Paper 1
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Question : 47 of 75
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A certain substance A tetramerises in water to the extent of 80 % . A solution of 5 gm of A in 100 gm of water lowers the freezing point by 0.6 ∘ C . Then molar mass of A is (in g m m o l − 1 )
[ K f = 1.86 K m o l K g − 1 ]
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