At stp 10 liters of N2 contains the same total number of molecules as how many liters of He.
10?
10/22.4 = 0.4446 mols N2.
mols He must be 0.446
Then 22.4 L/mol x 0.446 mol = 10 L He.
10/22.4 = 0.4446 mols N2.
mols He must be 0.446
Then 22.4 L/mol x 0.446 mol = 10 L He.