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The Henry's law constant for the solubil...

The Henry's law constant for the solubility of Nitrogen gas in water at 350 K is `8 xx 10^(4)` atm. The mole fraction of nitrogen in air is `0.5`. The number of moles of Nitrogen form air dissolved in 10 moles of water at 350K and 4 atm pressure is

A

`4 xx 10^(-4)`

B

`4 xx 10^(4)`

C

`2 xx 10^(-2)`

D

`2.5 xx 10^(-4)`

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The correct Answer is:
D
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