Some Basic Concepts Of Chemistry Question 185

Question: The number of molecule at NTP in 1 ml of an ideal gas will be

Options:

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

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

C) $ 2.69\times 10^{23} $

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

$ \because $ 22400 ml at NTP has $ 6.023\times 10^{23} $ molecule
$ \therefore $ 1 ml at NTP has = $ \frac{6.023\times 10^{23}}{22400} $

= $ 0.0002688\times 10^{23} $ $ =2.69\times 10^{19} $ .



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