Question

What mass of oxygen dissolve in water the henry constant of oxygen gas is 1.3x10^-3 m/atm?

Answer 1

Answer:

Henry's law states that the mass of a gas dissolved in a given volume of the liquid at constant temperature is directly proportional to the pressure of the gas present in equilibrium with the liquid.

Mathematically,

m\propto p

or,

m=Kp

Where, m = mass of the gas dissolved in a unit volume of the solvent

K = Proportionality constant

p = Pressure of the gas in equilibrium with the solvent

m=4.34\times 10^4\times 0.2

m=8680g/L

Solubility of O_2 in moles per liter=

Answer 2

Answer:

Mass of O2 dissolve in water is 8680g/L

Explanation:

• According to Henry's Law, the mass of a gas dissolved in a given volume of a liquid at a given temperature is directly proportional to the pressure of the gas that is present in the liquid in an equilibrium state.
• William Henry, an English physician and chemist, initially proposed the law in 1803; it is only valid for diluted solutions and low gas pressures.

Mathematically,

$m=Kpx$

where m is the amount of gas that has been dissolved in a unit volume of the solvent.

K = the proportionality constant.

p = gas pressure in equilibrium with the solvent

$m=4.34 \times10^4\times 0.2$

m=8680g/L

O2 solubility in moles per litre = 8680g/L

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