Partial pressure of oxygen po2= Total pressure * Volume of gas
= 1 atm * 0.5l = 0.5 atmL
what is partial pressure?
Each gas in a mixture of gases has a partial pressure, which is the pressure that would exist if that gas alone filled the entire volume of the original combination at the same temperature.According to Dalton's Law, a perfect gas mixture's total pressure equals the sum of its constituent gases' individual partial pressures.
It claims that the overall pressure exerted by the combination of non-reactive gases is equal to the sum of the partial pressures of the various gases. The pressure applied by each individual gas in a gas mixture is referred to as partial pressure.
Thus,
Partial pressure = Total pressure * Volume of gas
= 1 atm * 0.5l = 0.5 atmL
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