1.

The number of gram molecules of oxygen in6.02 xx 10^24 CO molecules is :

Answer»

10 gram molecules
5 gram molecules
1 gram molecule
0.5 gram molecule

Solution :No. of ATOMS of OXYGEN in`6.02 xx 10^24` CO molecules ` = 6.02 xx 10^24` (each CO contains 1 oxygen ATOM)
No. of oxygen molecules
` = (6.02 xx 10^24)/(2) = 3.01 xx 10^24`
Gram molecules of oxygen
` = (3.01 xx 10^24)/(6.02 xx 10^23) = 5`


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