1.

Two containers A and B of equal volume contain 6 g of O_(2) and SO_(2) at 300K. and 1 atm. Then

Answer»

No. of MOLECULES in A is less than that in B
No. of molecules in A is more than that in B
No. of molecules in A and B are same
none of these

Solution :`O_(2)` =Mass=6G
Molar mass=32g
32 g of `O_(2)` contains `6.023xx10^(23)` molecules
`:.` 6g of `O_(2)` will contains=`(6.023xx10^(23))/32xx6=1.129xx10^(23)` molecules.
`SO_(2)`=Mass=6g
Molar mass =64g
64 g of `SO_(2)` contains `6.023xx10^(23)` molecules.
`:.` 6g of `SO_(2)` will contains =`(6.023xx10^(23))/64xx6=0.5646xx10^(23)` molecules
`:.` Number of molecules in A is more than that in B.


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