Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
Problem 3.95PAE: 3.95 Cumene is a hydrocarbon, meaning that it contains only carbon and hydrogen. If this compound is...
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Question
Caffeine has an elemental analysis of 49.48% carbon, 5.190% hydrogen, 16.47% oxygen and 28.85% nitrogen. It has a molar mass of 194.19 g/mol. What is the molecular formula of caffeine?
Group of answer choices
C4H5ON2
C6H6O2N
C10H14O2N2
C8H10O2N4
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