Some Basic Concepts Of Chemistry Question 320

Question: Which of the following is Loschmidt number

Options:

A) $ 6\times 10^{23} $

B) $ 2.69\times 10^{19} $

C) $ 3\times 10^{23} $

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

The no. of molecules present in 1ml of gas at STP is known as Laschmidt number. 22400ml of gas has total no. of molecules $ =6.023\times 10^{23} $

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

$ =2.69\times 10^{19} $ .



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