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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 ` 8xx 10^(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 350 K 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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