1.

Calculate the number of N atoms in 5.6 gm of Nitrogen gas. (N = 14 gm/mol)

Answer»

`1.2044xx10^(23)`
`2.4088xx10^(23)`
`1.2044xx10^(22)`
`2.4088xx10^(22)`

Solution :5.6 gm `N_(2)`
Mole `= (5.6)/(28)=2`
The no. of `N_(2)` ATOMS `= 0.2xx6.022xx10^(23)`
`= 1.2044xx10^(23)`
No. of N molecule `= 1.2044xx10^(23)xx2`
`= 2.4088xx10^(23)`


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