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Calculate the total number of electrons ...

Calculate the total number of electrons present in `3.2 g` of oxygen gas.

A

`6.0xx10^(23)`

B

`1.2xx10^(23)`

C

`6.0xx10^(24)`

D

`1.2xx10^(25)`

Text Solution

Verified by Experts

The correct Answer is:
D
Moles of `_(2)` at STP `=(224)/(22.4)=10`
No on atoms `=10xx2xx6.02xx10^(23)`
`=1.2xx10^(25)` atom
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