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Caffeine,the Active Ingredient in Coffee,is Composed of Eight Atoms of Carbon,ten

Question 49

Multiple Choice

Caffeine,the active ingredient in coffee,is composed of eight atoms of carbon,ten atoms of hydrogen,and four atoms of nitrogen,and two atoms of oxygen.The chemical formula of caffeine is written


A) CHNO
B) C8H10N4O2
C) C8H10N4
D) C8H12N4O4
E) C8H10N4O

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