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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 3

  • question_answer
    The mass of a non-volatile solute (in g) which should be dissolved in 114 g octane to reduce its vapour pressure to 80% is ________. (Given : Molar mass of solute \[40g\,\text{mo}{{\text{l}}^{-1}}\] )

    Answer:

    10


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