NH3 gas is pumped into the reservoir of a

Question

refrigeration unit at a pressure of 2.20 atm.
The capacity of the reservoir is 20.4 L. The
temperature is 26.1◦C. What is the mass of
the gas?
Answer in units of g

Answer 1

Use PV = nRT and solve for n = mols of gas, then n = grams/molar mass and solve for g.

Answer 2

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