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A sample of air contains only N(2)O(2) a...

A sample of air contains only `N_(2)O_(2)` and `H_(2)O`. It is saturated with water vapours and total pressure is 640 torr. The vapour pressure of water is 40 torr and the molar ratio of `N_(2):O_(2)` is 3:1. The partial pressure of `N_(2)` in the sample is :

A

540torr

B

900torr

C

1080torr

D

450torr

Text Solution

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The correct Answer is:
d
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Knowledge Check

  • A sample of air contains only N_(2), O_(2) and H_(2) . It is saturated with water vapours and the total pressure is 640 torr. The vapour pressure of water is 40 torr and the molar ratio of N_(2) : O_(2) is 3: 1 . The partial pressure of N_2 in the sample is:

    A
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    B
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    C
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    D
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    A
    `540 "torr"`
    B
    `900 "torr"`
    C
    `1080 "torr"`
    D
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  • A sample of air contains only N_(2), O_(2) and H_(2)O . It is saturated with water vapours and the total pressure is 640 torr. The vapurs of water is 40 torr and the molar ratio of N_(2) : O_(2) is 3 : 1 . The partial pressure of N_(2) in the sample is

    A
    480 torr
    B
    600 torr
    C
    525 torr
    D
    450 torr

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