Some Basic Concepts Of Chemistry Question 32

Question: The number of molecules in 8.96 litre of a gas at $ 0{}^\circ C $ and 1 atm. pressure is approximately

Options:

A) $ 6.023\times 10^{23} $

B) $ 12.04\times 10^{23} $

C) $ 18.06\times 10^{23} $

D) $ 24.08\times 10^{22} $

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Answer:

Correct Answer: D

Solution:

[d] At S.T.P. 22.4 litre of gas contains $ 6.023\times 10^{23} $ molecules
$ \therefore $ molecules in 8.96 litre of gas $ =\frac{6.023\times 10^{23}\times 8.96}{22.4}=24.08\times 10^{22} $



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