The total pressure is 0.89 atm
The force delivered perpendicularly to an object's surface per unit area across which that force is dispersed is known as pressure. In comparison to the surrounding pressure, gauge pressure is the pressure. Pressure is expressed using a variety of units.
total pressure = sum of all the partial pressure
So total pressure (Ptotal ) = partial pressure of N2 + partial pressure of He + partial pressure of Ne = (0.32 + 0.15 + 0.42) atm.
So Ptotal = 0.89 atm.
to learn more about pressure go to -
https://brainly.com/question/24719118
#SPJ4