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At 48^(@)C, the vapour pressure of pure ...

At `48^(@)C`, the vapour pressure of pure `CS_(2)` is 850torr . A solution of 2.0 g of sulphur in 100g of `CS_(2)` has a vapour pressure 844.9 torr. Determine the atomicity of sulphur molecule :

A

1

B

2

C

4

D

8

Text Solution

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The correct Answer is:
D
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At 50^(@)C, the vapour pressure of pure CS_(2) is 854 torr. A solution of 2.0 g of sulphur in 100 g of CS_(2) has vapour pressure of 848.9 torr. Determine the formula of sulphur molecule.

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Knowledge Check

  • Vapour pressure of pure A = 100 torr, moles = 2. Vapour pressure of pure B = 80 torr, moles = 3. Total vapour pressure of mixture is

    A
    440 torr
    B
    460 torr
    C
    180 torr
    D
    88 torr
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