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30 Nov 2021
Given information
A depiction of a gas sample, as described by kinetic molecular theory, containing equal molar amounts of helium, neon, and krypton.
Step-by-step explanation
Step 1.
According to the kinetic molecular theory of gases, gas particles have constant velocity and perfectly elastic collisions.
The density of 
gas at STP 
.
The density of 
gas at STP 
The density of 
gas at STP 
A gas of low density moves down into the gas mixture and gas of high density moves up in the gas mixture.
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