The partial pressure of the mixture is equal to the sum of the individual pressure.The partial pressure of the remaining gas measured will be 0.8 atm.
The partial pressure of the mixture is equal to the sum of the individual pressure of the gases present in ther mixture.
The given date in the problemis
Total pressure of the mixture=P
P₁ is the partial pressure of gas 1 (N₂) =1.2 atm
P₂ is the partial pressure of gas 2(F₂)= 2.0 atm
P₃ is the partial pressure of the gas 3(H₂)=1.0 atm
P₄ Is the partial pressure of the gas 4=?
From the defination
P=P₁ +P₂ +P₃+P₄
5=1.2+2.0+1.0+P₄
P₄=0.8 atm
Hence the partial pressure of the remaining gas that was not measured will be 0.8 atm.
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