P1=0.275 atm, V1=16.5L ,T1=3520C =352+273=625K
at STP P2=1 atm, T2=273K ,V2=?
as P1*V1/T1 = P2*V2/T2
V2= (P1*V1*T2)/(T1*P2) =(0.275atm*16.5*273K)/(625K*1atm) =1.98L
So answer is 1.98L
thank you
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