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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 18

  • question_answer
    A certain substance A tetra merises in water to the extent of 80%. A solution of \[2.5\text{ }g\]of A in 100 g of water lowers the freezing point by\[0.3{}^\circ C\]. The molar mass of A is ______.

    Answer:

    62


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