Asked by Cassie

What is the density of Radon (Rn) gas at STP (standard temperature and pressure)? How do I solve/set up this problem? Thank you!

Answers

Answered by Damon
If it is a perfect gas it is 22.4 moles per liter at STP

molecular mass = 222 grams/mol
so

222 grams/22.4 liter = 9.91 grams/liter

You can convert that to Kg/m^3 or whatever if you chose.
Answered by Damon
brain stalled out
22.4 liters / mol

Answered by Damon
http://hyperphysics.phy-astr.gsu.edu/hbase/kinetic/idegas.html

look under section on Standard temperature and pressure
Answered by Damon
It is worth remembering that one mole is 22.4 liters at STP because often it is faster than going through P V = n R T
Answered by Cassie
This is helpful thank you!
Answered by Damon
You are welcome :)
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