Asked by Gabby

A sample of ammonia gas occupies 2.65 L when measured at 28 degrees celsius and 1.38 atm. What is the density of the ammonia under these conditions?

Please help, I'm not sure which formula to use! Thank you.

Answers

Answered by DrBob222
I would use this one.
P*molar mass = density*RT
density will be in g/L.
Answered by Gabby
Thank you! Did you get 1.26 g/L
Answered by DrBob222
No. The answer is less than 1 g/L.
Answered by Declan
0.951g/L
Answered by DrBob222
I obtained 0.9498 which I would round to 0.950 g/L. I used 17 for the molar mass and 0.08206 for R.
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