Some Basic Concepts Of Chemistry Question 305

Question: Which one of the following pairs of gases contains the same number of molecules [EAMCET 1987]

Options:

A) 16 g of O2 and 14 g of N2

B) 8 g of O2 and 22 g of CO2

C) 28 g of N2 and 22 g of CO2

D) 32 g of O2 and 32 g of N2

Show Answer

Answer:

Correct Answer: A

Solution:

16g O2 has no. of moles =1632=12

14g N2 has no. of moles =1428=12

No. of moles are same, so no. of molecules are same.



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