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When 3.00 g of a substance 'X' is dissol...

When 3.00 g of a substance 'X' is dissolved in 100 g of `"CC"l_4`, it raises the boiling point by 0.60 K. The molar mass of the substance 'X' is ________ g `mol^(-1)`. (Nearest integer).
[Given Kb for `"CC"l_4` is 5.0 K kg `mol^(-1)`]

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Knowledge Check

  • 0.440 g of a substance dissolved in 22.2 g of benzene lowered the freezing point of benzene by 0.567^(@)C . The molecular mass of the substance (K_(f)=5.12^(@)kg C mol^(-1))

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    D
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    58.12
    B
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    C
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    D
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  • When 40 g of substance is dissolved in 1000 g g of water, its freezing point is depressed by 1.86^@C. K_f for water is 1.86^@C mol^-1 then find the molar mass of the solute.

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