Answer
See the answer below.
Work Step by Step
From Dalton's law:
$P_{H_2S}=4.5/100×46\ atm=2.07\ atm$
$P_{CO_2}=3.0/100×46\ atm=1.38\ atm$
$P_{N_2}=(100-3.0-4.5)/100×46\ atm=42.6\ atm$
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