Asked by hellogoodbie

So here I am doing my HW worksheet on the ideal gas law/graham's law ad I have gotten to this one problem where I am totally stuck and confused. Please help me by telling me how to set this up and giving me tips, if necessary.

What is the mass (in grams) of ammonia gas (NH {tiny #3at the bottom}, 17g/mole contained in a 4.00 flask at 32.5 degrees Celsius and 1.6atm?
Answered by DrBob222
Answered below.
Answered by hellogoodbie
So is grams, n in the formula PV=nRT?
I think I am starting to understand this.
Answered by DrBob222
No. n in the formula PV = nRT is the number of moles.
First you solve for n (number of moles). THEN you use the formula, moles = grams/molar mass to solve for grams (which is what the problem asks for).
Answered by hellogoodbie
Oh! I think I understand now
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