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A mixture of three gases containing an equal number of moles of each gas has a total pressure of 12. 0 atm. What is the partial pressure of each gas?

Sagot :

A mixture of three gases containing an equal number of moles of each gas has a total pressure of 12. 0 atm then partial pressure of each gas is 4 atm .

Calculation ,

According to Dalton law the total gas of the container is equal to the sum of partial pressure of each gas .

[tex]P_{t}[/tex] = [tex]P_{1}[/tex] +[tex]P_{2}[/tex]+ [tex]P_{3}[/tex]

Partial pressure = total pressure × mole fraction

mole of each gas is equal . So, mole fraction is also equal for each gas.

Let the number of  mole = x

mole fraction = x/3x =1/3

[tex]P_{1}[/tex] = 12. 0 atm/3 = 4 atm

[tex]P_{2}[/tex] = 12. 0 atm/3 = 4 atm

[tex]P_{3}[/tex] = 12. 0 atm/3 = 4 atm

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