The solubility of N 2 in water at 300   K and 500   torr partial pressure is 0 .01  g &#160…

The solubility of N2 in water at 300 K and 500 torr partial pressure is 0.01 g L−1. The solubility (in g L −1 ) at 750 torr partial pressure is:
  1. 0.0075
  2. 0.005
  3. 0.02
  4. 0.015

Solution

p = KH X
where p→ Partial pressure of gas
X2→ Mole fraction of gas in solution
KH = Henry's law constant
So, p∝ solubility
p1p2 = s1s2 ⇒ 5000.01 = 750x
∴ x = 0.015 g/L

Asked in: JEE Main 2016 (09 Apr Online)

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