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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 xx10^4` atm. The mole fraction of nitrogen in air is 0.5. The number of moles of Nitrogen from air dissolved in 10 moles of water at 350K and 4 atm pressure is:

A

`4 xx 10^-4`

B

`4xx10^4`

C

`2 xx10^-2`

D

`2.5 xx 10^-4`

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The correct Answer is:
D
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