The number of moles of nitrogen atom in 56 g nitrogen is

The number of moles of nitrogen atom in 18.066 (10*23) nitrogen atom is :

The number of nitrogen atoms in 21 g of nitrogen are: (Molecular Weight of Nitrogen =14 g/mole)

The number of moles of nitrogen present in one litre of air containing 12% nitrogen by volume, under standard condition, is:

The number of moles of nitrogen present in one litre of air containing 14% nitrogen by volume, under standard condition, is:

The number of moles of nitrogen present in one litre of air containing 18% nitrogen by volume, under standard condition, is:

The number of moles of nitrogen present in one litre of air containing 13% nitrogen by volume, under standard condition, is:

Find the ratio of the number of moles in 2 g of oxygen and 8 g nitrogen.

The number of atoms present in 0.5 moles of nitrogen is same as the atoms in