The answer is (3) 11.2 L of N2(g). When the choices are all gases, the number of molecules depends on the molar number of the gas. Under the condition of STP, the molar number of a gas is depends on volume only. So the same volume of gas has the same number of molecules.
Explanation:
The answer is mentioned above.
Hope it helps.
The main <span>hazard </span>is the Radiation and the Gamma rays that are dispersed