Asked by Jennifer

At 752.3 torr and 20.35oC, what is the density of argon in g/L? Report your answer with 4 sig figs

I got 1.875 using d=PM/RT, but it says wrong. I don't know why...

I appreciate your help.
Answered by DrBob222
Show your work and I'll find your error. Did you use K = 273.15 + 20.35?
Did you use 0.08205 for R?
Did you convert 752.3 to atm?
I think the answer is more like 1.6 something. Perhaps you just pushed the wrong buttons.
Answered by Jennifer
yea, i got the K value wrong.
Now I get 1.643.

Thanks.