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Pressure of 1 g ideal gas X at 300 K is ...

Pressure of 1 g ideal gas X at 300 K is 2 atm. When 2 g of another gas Y is introduced in the same vessel at same temperature, the pressure become 3 atm. The correct relationship between molar mass of X and Y is :

A

`M_(Y)=2 M_(X)`

B

`M_(Y)=4 M_(X)`

C

`M_(X)=4 M_(Y)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
b
(b) `PxxN`
`(P_(x))/(P_(y))=(n_(x))/(n_(y))`
` (2)/(1)=(1//m_(x))/(2//m_(y))`
`m_(y)=4m_(x)`
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