The vapor pressure of water is 1.3 atm according to Dalton's partial pressure.
What is partial pressure according to Dalton's law?
Dalton's law of partial pressures states that the total pressure exerted by a gas mixture is similar to the combination of the partial pressures of all of the component gases. The pressure that each gas would produce if it filled the same amount of the solution at the very same temperatures alone is referred to as partial pressure.
Therefore, the total pressure is the sum of each gas's separate partial pressures, according to Dalton's law of partial pressure:
So, [tex]P_{T}[/tex] = [tex]P_{A} + P_{B} + P_{C} +...[/tex]
Provided that,
Total vapour pressure = 1.5 atm
The pressure of oxygen = 0.2 atm
We have to find out the vapor pressure of the water.
So, the vapor pressure of water = Total vapor pressure - The pressure of oxygen
= 1.5 - 0.2 atm
= 1.3 atm
Therefore it is concluded that the vapor pressure of water is 1.3 atm.
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