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Three flasks of equal volumes contain CH...

Three flasks of equal volumes contain `CH_(4),CO_(2), " and "Cl_(2)` gases respectively. They will contain equal number of molecules if :

A

the mass of all the gasses is same

B

the mass of all the gas is same but temperature is different

C

temperature and pressure of all the flasks are same

D

temperature, pressure and masses same in the flasks

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The correct Answer is:
C
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