Henry’s law is related to solubility of a gas in liquid.(i) State Henry’s law. (2)
(ii) Write any two applications of Henry’s law. (2)
b) 1000cm3
of an aqueous solution of a protein contains 1.26 g of the protein. The osmotic pressure of such a
solution at 300K is found to be 2.57 x 10-3
bar. Calculate the molar mass of the protein. (R = 0.083 L
bar/K/mol).
Answers
Explanation:
According to Henry's law, the solubility of a gas in a liquid is directly ... surface of the water, pressure decreases and dissolved nitrogen comes back ... Get Instant Solutions, 24x7.
Answer:
ANSWER
According to Henry's law, the solubility of a gas in a liquid is directly proportional to the pressure of the gas.
X=K
h
×P
X is the mole fraction of gas, K
h
is Henry's law constant and P is the partial pressure of the gas.
Important applications of Henry's law:
1) In packing of soda cans: Soda water bottles are always packed under higher pressure to increase the solubility of CO
2
gas.
2) In deep-sea diving: Nitrogen is more soluble than Helium in our blood. In the deep sea, the pressure is higher than at the surface of the water. When diver tries to come rapidly towards the surface of the water, pressure decreases and dissolved nitrogen comes back from blood and makes bubbles in veins. Hence, divers use oxygen diluted with helium.
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