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  4. Which of the following is Loschmidt number?

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Q. Which of the following is Loschmidt number?

Some Basic Concepts of Chemistry

Solution:

The no. of molecules present in $1 \,mL$ of gas at $STP$ is known as Loschmidt number.

$22400 \,ml$ of gas has total no. of molecules $=6.023 \times 10^{23}$

$1 \,ml$ of gas has total no. of molecules $=\frac{6.023 \times 10^{23}}{22400}$

$=2.69 \times 10^{19}$