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 of N from air dissolved in 10 moles of water at 298 K and 5 atm pressure is.
a) 4.0 x 10-4
b) 4.0 x 10-5
c) 5.0 x 10-4
d) 4.0 x 10-6
