The Henry's law constant for the solubility of N2 gas in water at 298 K is 1.0 x 105 atm. The mole fraction of N2 in air is 0.8. The number of moles on N2 from air dissolved in 10 moles of water at 298 K and 5 atm pressure is
4.0 x 10-4
4.0 x 10-5
5.0 x 10-4
4.0 x 10-6