SOLUTION: What volume would be occupied by 86.8 g of F2 gas at STP? (VII-1) ____L

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Question 169514: What volume would be occupied by 86.8 g of F2 gas at STP? (VII-1)
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Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!
Working Eqn -----> PV=nRT
where--->system%28P=101.325atm%2CV=%28L%29%2Cn=moles%2CR=0.0821=GasConstant%2CT=273.15%28K%29%29
*Note: At STP, Pressure is atmospheric Pressure & Temperature is Freezing Point.
Solving for n?
n=mass%2Fhighlight%28MW%29
where, MW=%28NumberofAtoms%29%28AtomicWeight%29
Via Periodic Table, Atomic Weight of Flourine = "19."
So, MW=2%2A19=38
Subst. ------> n=86.8cross%28g%29%2F%2838cross%28g%29%2Fmol%29%29
n=2.28
.
Going back Working Eqn,
101.325%28V%29=%282.28%29%280.0821%29%28273.15%29
cross%28101.325%29V%2Fcross%28101.325%29=cross%2851.13%290.5046%2Fcross%28101.325%29
highlight%28V=0.5046L%29, Answer
.
Thank you,
Jojo