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[" Caffeine has a molecular mass of "194...

[" Caffeine has a molecular mass of "194." fit "],[" contains "28.9%" by mass of nitrogen,number "],[" of atoms of nitrogen in one molecule of "],[" caffeine is : "]

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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 :

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 :

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

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

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