Mass of oxygen gas =1.60g
Mass of nitrogen gas =2.80g
Temperature of vessel=300K
Volume of vessel=0.166m3
We know that
Number of moles n=
Molar mass of oxygen= 32g/mol
Molar mass of nitrogen=28g/mol
Number of moles of oxygen n1 =
Number of moles of nitrogen n2=
We know ideal gas equation
Where V= volume of gas
n=number of moles of gas
P=pressure of gas
In a mixture of non-interacting ideal gases, the pressure that a gas in a mixture of gases would exert if it occupied the same volume as the mixture at the same temperature is called the partial pressure of that gas.
Partial pressure of oxygen gas
Partial pressure of nitrogen gas
According to Dalton’s law of partial pressure, the total pressure of a mixture of ideal gas is the sum of partial pressures.
So, total pressure
The pressure of the mixture of oxygen and nitrogen gas is 2250Pa.
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