Answer
See the answer below.
Work Step by Step
From the ideal gas law:
$P.V=n.R.T$
$n=5.0\ L×1.1\ atm/0.082057\ L.atm/mol.K/(25+273)\ K/$
$n=0.225\ mol$
$m=0.225\ mol×4.00\ g/mol=0.90\ g$
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