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At 30^(@)C dry air [75 % N(2)+25 % O(2)]...

At `30^(@)C` dry air `[75 % N_(2)+25 % O_(2)]` is placed over `H_(2)O(l)` at 800 torr (combined pressure of all 3 gases). If pressure is gradually increased isothermally to 1560 torr, then calculate partial pressure of `O_(2)` at this pressure in torr.
`[VP_(H_(2)O)=50 "torr at"30^(@)C]`

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