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JEE Main Chemistry question

ChemistryStates of Matter (Gaseous & Liquid State)JEE Main

1 g of an ideal gas X is introduced into an evacuated flask kept at 298 K. The pressure is found to be 1 atm. If 2 g of another ideal gas Y is added to the same flask, the total pressure becomes 1.5 atm. The molecular mass of Y is times greater than the molecular mass of X.

Answer: 4

Solution

At constant , . atm . atm .

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Question ID VK-134613