chemistry hw Calculate the partial pressure of N 2 gas knowing that the gas mixture had a total pressure of 234KPa and that the partial pressure of O 2 is 122KPa and that of Ar is 34KPa.(Answer=

Question

Calculate the partial pressure of N 2 gas knowing that the gas mixture had a total pressure of 234KPa and that the partial

pressure of O 2 is 122KPa and that of Ar is 34KPa.

Answer 1

Total pressure = sum of partial pressures of each gas

Total pressure = 234 kPa

Partial pressure O₂ = 122 kPa

Partial pressure of Ar = 34 kPa

Partial pressure of N₂ = ?

234 kPa = 122 kPa + 34 kPa + x kPa

x = 234 - 122 - 34

x = 78 kPa = partial pressure of N₂