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Two flasks of equal volume contain SO(2)...

Two flasks of equal volume contain `SO_(2)` and `CO_(2)` respectively at `25^(@)C` and 2 atm pressure. Which of the following is equal in them ?

A

masses of the two gases

B

number of molecules

C

rates of effusion

D

molecular structure.

Text Solution

Verified by Experts

The correct Answer is:
B
Equal volumes of all gases under similar conditions of temperature and pressure contain equal number of molecules.
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