1.

One mole of CO_2contains

Answer»

` 6.02 XX 10^23`atoms of C
`6.02 xx 10^23`atoms of O
`18.1 xx 10^23` molecules of `CO_2`
3 g atoms of `CO_2`

Solution :1 mole of `CO_2= 6.02 xx 10^23` molecules of `CO_2`
` = 6.02 xx 10^23` atoms of C


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