1.

Which of the following is Loschmidt number

Answer»

`6xx10^(23)`
`2.69xx10^(19)`
`3xx10^(23)`
NONE of these

Solution :The no. of molecules present in 1 ml of get at STP is known as Loschmidt number.
22400 ml of gas has TOTAL no. of molecules
`=6.023xx10^(23)`
1 ml of gas has total no. of molecules `=(6.023xx10^(23))/22400`
`=2.69xx10^(19)`.


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