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Caffine has a molecular weight of 194. It contains 28.9% by mass of nitrogen number of atoms of nitrogen in onmolecule of it:1) 2(2) 3(3) 4(4) 5 |
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Answer» Molecular weight of caffeine=194upercent by mass of Nitrogen= 28.9%So mass of nitrogen in 1 molecule= (28.9/100)*194 =56.066 ~56Mass of one atom of Nitrogen=14uSo number of nitrogen= 56÷14 =4 atoms of Nitrogen |
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