Find the percentage empty space in one mole of nitrogen gas at STP. Given, radius of nitrogen molecule is 2 Å.

Find the percentage of nitrogen in ammonia

2 moles of nitrogen atoms at STP occupy a volume of:

Find the percentage of nitrogen in ammonia.

The number of molecules in 22.4 cm^3 of nitrogen gas at STP is

0.5 mole of nitrogen gas represents____.

Estimate the fraction of molecular volume to the actual volume occupied by oxygen gas at STP. Take the radius of an oxygen molecule to be 3 Å .

The number of molecules in 22.4dm^(3) of nitrogen gas at STP is _____

The number of molecules in 22.4dm^(3) of nitrogen gas at STP is _____