Determine the empirical and molecular formulas of eachof the following substances:(a) Ibuprofen, a headache remedy, contains 75.69% C,8.80% H, and 15.51% O by mass and has a molar massof 206 g/mol.(b) Cadaverine, a foul-smelling substance produced bythe action of bacteria on meat, contains 58.55% C,13.81% H, and 27.40% N by mass; its molar mass is102.2 g/mol.(c) Epinephrine (adrenaline), a hormone secreted into thebloodstream in times of danger or stress, contains 59.0%C, 7.1% H, 26.2% O, and 7.7% N by mass; its molar massis about 180 amu.
Determine the empirical and molecular formulas of eachof the following substances:(a) Ibuprofen, a headache remedy, contains 75.69% C,8.80% H, and 15.51% O by mass and has a molar massof 206 g/mol.(b) Cadaverine, a foul-smelling substance produced bythe action of bacteria on meat, contains 58.55% C,13.81% H, and 27.40% N by mass; its molar mass is102.2 g/mol.(c) Epinephrine (adrenaline), a hormone secreted into thebloodstream in times of danger or stress, contains 59.0%C, 7.1% H, 26.2% O, and 7.7% N by mass; its molar massis about 180 amu.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 95QRT: Nitrogen fixation in the root nodules of peas and other legumes occurs with a reaction involving a...
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Question
Determine the empirical and molecular formulas of each
of the following substances:
(a) Ibuprofen, a headache remedy, contains 75.69% C,
8.80% H, and 15.51% O by mass and has a molar mass
of 206 g/mol.
(b) Cadaverine, a foul-smelling substance produced by
the action of bacteria on meat, contains 58.55% C,
13.81% H, and 27.40% N by mass; its molar mass is
102.2 g/mol.
(c) Epinephrine (adrenaline), a hormone secreted into the
bloodstream in times of danger or stress, contains 59.0%
C, 7.1% H, 26.2% O, and 7.7% N by mass; its molar mass
is about 180 amu.
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