1.

The number of O_3molecules in 16 g of ozoneis approximately.

Answer»

`2 XX 10^23`
`3 xx 10^23`
`4 xx 10^23 `
`6 xx 10^23`

SOLUTION :48 gof `O_3` CONTAIN molecules = `6.02 xx 10^23`
16 g of `O_3` contain molecules
` = (6.02 xx 10^23)/(48) xx 16= 2 xx 10^23`


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