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The relative lowering of vapour pressure...

The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute, is 0.0125. The molality of the solution is

A

`0.70`

B

`0.50`

C

`0.90`

D

`0.80`

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A
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The relative lowering of vapour pressure of an aqueous solution of a non-volatile solute of molecular weight 60 (which neither dissociates nor associates in the solution) is 0.018. If K_(f) of water is 1.86^(@)m^(-1) the depression in freezing point will be :

Knowledge Check

  • The relative lowering of vapour pressure of an aqueous solution containing non-volatile solute is 0.0125. The molality of the solution is

    A
    0.7
    B
    0.5
    C
    0.6
    D
    0.8

  • The relative lowering of vapour pressure of an aqueous solution containing non-volatile solute is 0.0125. The molaliry of the solution is

    A
    `0.70`
    B
    `0.50`
    C
    `0.60`
    D
    `0.80`

  • The relative lowering of the vapour pressure of an aqueous solution containing a novolatile solute is 0.0125. The molality of the solution is

    A
    0.70 m
    B
    0.50 m
    C
    0.80 m
    D
    0.40 m
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