How many moles of gas occupy 198 L at a pressure of 3.8 atmospheres and a temperature of 23 0C ?

1 Answer
KPaukstis
Mar 13, 2018

31 moles

Explanation:

Use the ideal gas law (#pV=nRT#) to calculate moles.
#p= 3.8atm#, #R=0.082057(L*atm)/(mol*K)#, #T(23˚C)=296.15K#,
#V=198L#. Put everything into the equation and solve for n.

#3.8*198=n*0.082057*296.15# Divide both sides by #R*T# value.

#n=30.9=31 mol#

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