Some Basic Concepts Of Chemistry Question 271

Question: 10 dm3 of N2 gas and 10 dm3 of gas X at the same temperature contain the same number of molecules. The gas X is

Options:

A) CO

B) CO2

C) H2

D) NO

Show Answer

Answer:

Correct Answer: A

Solution:

If same volume is occupied by the gas, the no. of molecules are same, so no. of moles are same. 1 mole of N2 gas =2×14=28gm

1 mole of CO gas =12+16=28gm



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