What is the density, in g/L, of #CO_2# gas at 27°C and 0.50 atm pressure?

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Answer 1 · 2017-04-14T18:20:46

We rearrange the Ideal Gas Equation............and get #rho~=0.9*g*L^-1#

#PV=nRT#, which equation is this?

So #(PV)/(RT)=n="Mass"/"Molar Mass"#

And thus, #("Molar Mass"xxP)/(RT)="Mass"/V#

But #"Mass"/V=rho"(density)"#

And thus #rho=("Molar mass"xxP)/(RT)#

And now we plug in the values.........

#rho=(44.01*g*mol^-1xx0.50*atm)/(0.0821*(L*atm)/(K*mol)xx300*K)=??*g*L^-1#