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One litre of O(2) and one litre of h(2) ...

One litre of `O_(2)` and one litre of `h_(2)` are taken in a vessel of 2 litre capacity at `NTP` The gases are made to combine to form water .
The weight of water formed .

A

`7.03 xx 10^(-1) g`

B

`8.03 xx 10^(-2) g`

C

`8.03 xx 10^(-1) g`

D

`7.03 xx 10^(-2) g`

Text Solution

Verified by Experts

At `NTP` the moles of `H_(2)O` formed =mole of `H_(2)`
`=(PV)/(RT)=(1xx1)/(0.0821 xx273) =4.46 xx 10^(-2)`
`:.` wt of `H_(2)O` formed ` =4.46 xx 10^(-2) xx18`
` = 8.03 xx 10^(-1) g` .
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Knowledge Check

  • One litre of N_(2) and 7//8 litre of O_(2) under identical conditions of P and T are mixed. The amount of gases present in mixutre show:

    A
    `w_(N_(2)) = 3w_(O_(2))`
    B
    `w_(N_(2))=8w_(O_(2))`
    C
    `w_(N_(2)) = w_(O_(2))`
    D
    `w_(N_(2)) = 16 w_(O_(2))`

  • One litre of alcohol weights

    A
    Less in winter than in summer
    B
    Less in summmer than in winter
    C
    Same both in summer and winter
    D
    None of the above

  • Which may be added to one litre of water to act a buffer?

    A
    One mole of `CH_(3)COOH` and one mole of `HCl`
    B
    One mole of `NH_(4)OH` and one mole of `NaOH`
    C
    One mole of `NH_(4)Cl` and one mole of `HCl`
    D
    One mole of `CH_(3)COOH` and `0.5` mole of `NaOH`