Answered: A friend has some questions about…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter2: Atoms Molecules And Ions

Section2.8: Instrumental Analysis: Determining Compound Formulas

Problem 2.2ACP: Salvarsan was long thought to be a single substance. Recently, however, a mass spectrometry study of...

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Question

A friend has some questions about empirical formulas and molecular formulas. You
can assume that he is good at performing the calculations. Briefly answer the following
questions:
1. For a problem that asked him to determine the empirical formula, he came up with the answer
C2H8O2. Is this a possible answer to the problem? If not, what guidance would you offer your
friend?
2. For another problem he came up with the answer C1.5H4 as the empirical formula. Is this
answer correct? Once again, if it isn’t correct, what could you do to help your friend?
3. Since you have been a big help, your friend asks one more question. His answers indicate
that the compound had an empirical formula of C3H8O and the molecular formula C3H8O. Is this
result possible?

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