One litre gas A(2 atm) and two litre gas B(3 atm) are mixed in a four litre flask to make the ideal gas mixture. If temp. of the gas is same at initial \& final stages, then what will be final pressure of gas mixture: a. 1.0 atm b. 1.5 atm c. 2.0 atm d. 2.5 atm
