A flask contains a mixture of N2 and O2 at STP. If the partial pressure exerted by the N2 is 40.0 kPa, the partial pressure of O2 is?

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Michael Landry

Chemistry

27 May, 03:17

A flask contains a mixture of N2 and O2 at STP. If the partial pressure exerted by the N2 is 40.0 kPa, the partial pressure of O2 is?

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Kingston Powers · Answer 1

The partial pressure of O2 can be calculated by subtracting the total pressure with the partial pressure of N2 in the system. Therefore, the pressure of O2 would be 101.325 kPa - 40.0 kPa = 61.325 kPa. The total sum of all partial pressures should always equal to the total pressure of certain system.