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OpenStudy (anonymous):
Caffeine contains the elements C,H,O,N. If the combustion if 1g caffeine yields 1.813g CO2 and 4.639g H2O; and the sample contains .2885 g 'N' , estimate the molecular formula using the mass spectrum of Caffeine...(mother ion on mass spec=molecular weight of caffeine=194amu) Please help I don't k ow how to start
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