Caffeine, a stimulant in coffee and tea, hasa molar mass of 194.19 g/mol and a masspercentage composition of 49.48% C, 5.19%H, 28.85% N, and 16.48% O. What is themolecular formula of caffeine?1. C4H4N402. САН4N10023. C2H10N3O24. C3H10N4O25. C3H10N4O26. C4H;N2O

Caffeine, a stimulant in coffee and tea, a molar mass of 194.19 g/mol and a mass percentage composition of 49.48% C, 5.19% H, 28.85% N, and 16.48% 0. What is the has molecular formula of caffeine? 1. C4H4N40 2. C4H4N1002 3. C2H10N3O2 4. C3H10N4O2 5. C3H10N4O2 6. C4H5N2O

Caffeine, a stimulant in coffee and tea, a molar mass of 194.19 g/mol and a mass percentage composition of 49.48% C, 5.19% H, 28.85% N, and 16.48% 0. What is the has molecular formula of caffeine? 1. C4H4N40 2. C4H4N1002 3. C2H10N3O2 4. C3H10N4O2 5. C3H10N4O2 6. C4H5N2O

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter5: Stoichiometry

Section: Chapter Questions

Problem 151AE: A substance X2Z has the composition (by mass) of 40.0% X and 60.0% Z. What is the composition (by...

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Question

Caffeine, a stimulant in coffee and tea, has
a molar mass of 194.19 g/mol and a mass
percentage composition of 49.48% C, 5.19%
H, 28.85% N, and 16.48% O. What is the
molecular formula of caffeine?
1. C4H4N40
2. САН4N1002
3. C2H10N3O2
4. C3H10N4O2
5. C3H10N4O2
6. C4H;N2O

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