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The number of molecules and moles in 2.8...

The number of molecules and moles in `2.8375` litres of `O_2` at STP are respectively

A

`7.527 xx10^23 and 0.125` mol

B

`7.527 xx10^22 and 0.125` mol

C

`7.527 xx10^22 and 0.250` mol

D

`1.505 xx10^23 and 0.250` mol

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