1 L of oxygen at a pressure of 1 atm and 2 L of nitrogen at a pressure of 0.5 atm, are introduced into a vessel of volume 1 L. If there is no change in temperature, the final pressure of the mixture of gas (in atm) is

1 L of oxygen at a pressure of 1 atm and 2 L of nitrogen at a pressure

1.	1 L of oxygen at a pressure of 1 atm and 2 L of nitrogen at a pressure of 0.5 atm, are introduced into a vessel of volume 1 L. If there is no change in temperature, the final pressure of the mixture of gas (in atm) is
Answer» `1.5` `2.5` `2` `4` ANSWER :C