Answer:
The volume will be 2, 57 L
Step-by-step explanation:
We use Boyle Mariotte's Law: for a given mass of gas at constant temperature, the pressure and volume vary inversely proportionally.
P1 x V1=P2 x V2
V2= (P1xV1)/P2 = (2,0 atm x 4,5 L)/3, 5 atm= 2, 57 L