Advertisements
Advertisements
Question
The partial pressure of ethane over a solution containing 6.56 × 10−3 g of ethane is 1 bar. If the solution contains 5.00 × 10−2 g of ethane, then what shall be the partial pressure of the gas?
Advertisements
Solution
According to Henry’s law,
m = kP
For the first case,
6.56 × 10−3 = k × 1 ...(i)
For the second case,
5 × 10−2 = k × p ...(ii)
Dividing eq. (i) by eq. (ii), we get
`(6.56 xx 10^-3)/(5 xx 10^-2) = (k xx 1)/(k xx p) = 1/p`
∴ p = `(5 xx 10^-2)/(6.56 xx 10^-3)`
= 7.62 bar
APPEARS IN
RELATED QUESTIONS
Why do gases always tend to be less soluble in liquids as the temperature is raised?
H2S, a toxic gas with rotten egg like smell, is used for the qualitative analysis. If the solubility of H2S in water at STP is 0.195 m, calculate Henry’s law constant.
Henry’s law constant for CO2 in water is 1.67 × 108 Pa at 298 K. Calculate the quantity of CO2 in 500 mL of soda water when packed under 2.5 atm CO2 pressure at 298 K.
Which mixture is used for respiration by deep sea divers?
(A) He + O2
(B) Ne + O2
(C) Ar + O2
(D) Kr + O2
Give reasons for the following :
Aquatic animals are more comfortable in the cold water than in warm water.
State Henry's Law. What is the effect of temperature on the solubility of a gas in a liquid?
The solubility product of PbCl2 at 298K is 1.7 × 10-5. Calculate the solubility of PbCl2 in g/lit. at 298K.
Atomic Weights: [Pb = 207 and Cl = 35.5]
A solution is prepared by dissolving 9.25 g of non-volatile solute in 450 mL of water. It has an osmotic pressure of 350 mm of Hg at 27°C. Assuming the solute is non-electrolyte, determine its molecular mass. (R = 0.0821 Lit-atm K−1 mol−1)
Write the name of gas released when Cu is added to dilute HNO3
Which law shows relation between pressure and solubility of a gas in solvent?
The statement “If 0.003 moles of a gas are dissolved in 900 g of water under a pressure of 1 atmosphere, 0.006 moles will be dissolved under a pressure of 2 atmospheres”, illustrates.
Low concentration of oxygen in the blood and tissues of people living at high altitude is due to ______.
KH value for \[\ce{Ar(g)}\], \[\ce{CO2(g)}\], \[\ce{HCHO (g)}\] and \[\ce{CH4(g)}\] are 40.39, 1.67, 1.83 × 10–5 and 0.413 respectively. Arrange these gases in the order of their increasing solubility.
Explain the solubility rule “like dissolves like” in terms of intermolecular forces that exist in solutions.
Explain the following phenomena with the help of Henry’s law.
Feeling of weakness and discomfort in breathing at high altitude.
Assume that argon exerts a partial pressure of 6 bar. Calculate the solubility of argon gas in water. (Given Henry’s law constant for argon dissolved in water, KH = 40 k bar)
In which of the following solvents, the \[\ce{C4H8NH3+X–}\] is soluble?
