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In a flask at a certain temperature ...

In a flask at a certain temperature , there are 2g `H_(2) and 8 g O_(2) ` the mole fraction of `H_(2) ` in the given mixture is _____

A

`0.4`

B

`0.8`

C

`0.2`

D

`1.25`

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The correct Answer is:
B
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Knowledge Check

  • In a mixture of 1 gm H_(2) and 8 gm O_(2) , the mole fraction of hydrogen is

    A
    `0.66`
    B
    `0.5`
    C
    `0.33`
    D
    `0.75`

  • In a mixture of 1 gm H_(2) and 8 gm O_(2) , the mole fraction of hydrogen is

    A
    `0.667`
    B
    `0.5`
    C
    `0.33`
    D
    None of these

  • A gaseous mixture contains 4.0g of H_(2) and 56.0g of N_(2) . The mole fraction of H_(2) in the mixture is

    A
    `0.1`
    B
    `0.2`
    C
    `0.5`
    D
    `0.8`
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