A 3.00-

L
flask is filled with gaseous ammonia,
N
H
3
. The gas pressure measured at 28.0

∘
C
is 2.05
atm
. Assuming ideal gas behavior, how many grams of ammonia are in the flask?

1 answer

Use PV = nRT and solve for n = number of mols.
Then grams = mols x molar mass = ?

Post your work if you get stuck. Remember to use kelvin for T.