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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 1

  • question_answer
    The value of \[P{}^\circ \] for benzene is \[640\text{ }mm\] of \[Hg\]. The vapour pressure of solution containing \[2.5g\] substance in \[39g\] benzene is 600mm of Hg. What is the molecular mass of X?

    Answer:

    80


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