Researchers isolated an unknown substance, X, from rabbit muscle. They determined its structure from the following observations and experiments. (a) Qualitative analysis showed that X was composed entirely of C, H, and O. A weighed sample of X was completely oxidized and the H2O and CO2 produced were measured. This quantitative analysis revealed that X contained 40.00% C, 6.71% H, and 53.29% O by weight. (b) The molecular mass of X, as determined by mass spectrometry, was 90.00 atomic mass units (u). (c) Infrared spectroscopy showed that X contained one double bond. (d) X dissolved readily in water, and the solution demonstrated optical activity when tested in a polarimeter. (e) The aqueous solution of X is acidic. What is the empirical formula of X? О What is the structure of X? HO H H-C-C-C ○ OH HH HO O OH О H-C-C-C-H -H Н Н H HO HÍCH H-C-C Н HO HỌ CH C-OH Н. > HH H-C-C-C HO H H-C-C-C HH OH
Researchers isolated an unknown substance, X, from rabbit muscle. They determined its structure from the following observations and experiments. (a) Qualitative analysis showed that X was composed entirely of C, H, and O. A weighed sample of X was completely oxidized and the H2O and CO2 produced were measured. This quantitative analysis revealed that X contained 40.00% C, 6.71% H, and 53.29% O by weight. (b) The molecular mass of X, as determined by mass spectrometry, was 90.00 atomic mass units (u). (c) Infrared spectroscopy showed that X contained one double bond. (d) X dissolved readily in water, and the solution demonstrated optical activity when tested in a polarimeter. (e) The aqueous solution of X is acidic. What is the empirical formula of X? О What is the structure of X? HO H H-C-C-C ○ OH HH HO O OH О H-C-C-C-H -H Н Н H HO HÍCH H-C-C Н HO HỌ CH C-OH Н. > HH H-C-C-C HO H H-C-C-C HH OH
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter11: The Blood
Section: Chapter Questions
Problem 1SQE
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Transcribed Image Text:Researchers isolated an unknown substance, X, from rabbit muscle. They determined its structure from the following
observations and experiments.
(a) Qualitative analysis showed that X was composed entirely of C, H, and O. A weighed sample of X was completely oxidized
and the H2O and CO2 produced were measured. This quantitative analysis revealed that X contained 40.00% C, 6.71% H, and
53.29% O by weight.
(b) The molecular mass of X, as determined by mass spectrometry, was 90.00 atomic mass units (u).
(c) Infrared spectroscopy showed that X contained one double bond.
(d) X dissolved readily in water, and the solution demonstrated optical activity when tested in a polarimeter.
(e) The aqueous solution of X is acidic.
What is the empirical formula of X?
Transcribed Image Text:О
What is the structure of X?
HO H
H-C-C-C
○
OH
HH
HO O OH
О
H-C-C-C-H
-H
Н
Н
H
HO
HÍCH
H-C-C
Н
HO
HỌ CH
C-OH
Н.
>
HH
H-C-C-C
HO H
H-C-C-C
HH
OH
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