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the pressure of a 1 : 4 mixture of dihyd...

the pressure of a `1 : 4` mixture of dihydrogen and dioxygen enclosed in a vessel is one atmosphere. What would be the partial pressure of dioxygen ?

Text Solution

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According the Dalton's Law of partial pressure,
`(P_(N_(2)))/(p_("total")) = (n_(N_(2)))/(n)` or `(p_(N_(2)))/((1.5 atm)) = (4)/((1 + 4))`
`p_(N_(2)) = (4)/(5) xx 1.5 atm = 1.2` atm
`= 1.2 xx 101325 Nm^(-2) = 1.216 xx 10^(5) Nm^(-2)`
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