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Two balloons are filled, one with pure H...

Two balloons are filled, one with pure He gas and the other by air, respectively. If the pressure and temperature of these balloons are same the number of molecules per unit volume is :

A

more in the He filled balloon

B

same in both balloons

C

more in air filled balloon

D

in the ratio of `1:4`

Text Solution

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The correct Answer is:
B
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