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Which of the following units is useful i...

Which of the following units is useful in relating concentration of solution with its vapour pressure?

A

mole fraction

B

parts per million

C

mass percentage

D

molality

Text Solution

Verified by Experts

The correct Answer is:
A
`(p^(@)-p_(s))/(p^(@))=x_(2)` (mole fraction of solute in solution) - Raoult's law.
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Knowledge Check

  • Which solution will have least vapour pressure?

    A
    0.1 M `BaCl_(2)`
    B
    0.1 M Uxa
    C
    0.1 M `Na_(2) SO_(4)`
    D
    0.1 M `Na_(3) PO_(4)`

  • Which solution will have least vapour pressure?

    A
    (a) `0.01M BaCl_(2)`
    B
    (b) `0.1 M` urea
    C
    ( c) `0.1M Na_(2)SO_(4)`
    D
    (d) `0.1 M Na_(3)PO_(4)`

  • Unit of lowering of vapour pressure is

    A
    atm
    B
    `Nm^(-1)`
    C
    Unitless
    D
    `Nm^(2)`
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