Caffiene has a molecular mass of `194`. If it contains `28.9%` by mass of nitrogen, number of atoms of nitrogen in one molecule of caffeine is :

Caffeine has a molecular weight of 194. If it contains 28.9 % by mass of nitrogen, number of atoms of nitrogen in one molecule of caffeine is

Caffeine has a molecular mass of 194 . If it contains 28.9% by mass of nitrogen, Calculate number of atoms of nitrogen in one molecule of caffeine ?

Caffein has molecular weight of 194. It contain 28.9% by mass of nitrogen. Number of atoms of nitrogen in one molecule of it is

The mass of 1 atom of nitrogen is

Calculate mass of one atom of nitrogen in gram.