A Tank Contains N₂ at 2

Multiple Choice

A tank contains N₂ at 2.5 atm and O₂ at 1.5 atm. An unknown quantity of CO₂ is added until the total pressure within the tank is 5.5 atm. Calculate the partial pressure of CO₂ in the tank.

A) 5.5 atm
B) 3.5 atm
C) 1.5 atm
D) 2.5 atm