Zolpidem is a common hypnotic with the chemical formula C19H₂1N3O. Stilnox - the brand name of zolpidem in Vietnam- is the hemitartratre of zolpidem: meaning that the salt contains 1 molecule of tartaric acid for 2 molecules of zolpidem: (C₁9H₂1N30)₂ C₂H₂O- The molar mass (molecular weight) of zolpidem is 307.39 g/mol while the molecular weight of the hemitartratre salt is 764.87 g/mol. a- We want to prepare 100mL of a 1mM zolpidem solution. How much zolpidem base should we weigh ? b- How much should we weigh if we start with the hemitartrate salt ? Select one: O a. a-30.7 mg, b-38.2 mg b. a-30.7 mg, b- 76.5 mg c. a- 61.5 mg, b- 76.5 mg
Zolpidem is a common hypnotic with the chemical formula C19H₂1N3O. Stilnox - the brand name of zolpidem in Vietnam- is the hemitartratre of zolpidem: meaning that the salt contains 1 molecule of tartaric acid for 2 molecules of zolpidem: (C₁9H₂1N30)₂ C₂H₂O- The molar mass (molecular weight) of zolpidem is 307.39 g/mol while the molecular weight of the hemitartratre salt is 764.87 g/mol. a- We want to prepare 100mL of a 1mM zolpidem solution. How much zolpidem base should we weigh ? b- How much should we weigh if we start with the hemitartrate salt ? Select one: O a. a-30.7 mg, b-38.2 mg b. a-30.7 mg, b- 76.5 mg c. a- 61.5 mg, b- 76.5 mg
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter14: Mass Spectrometry
Section: Chapter Questions
Problem 14.38P
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Transcribed Image Text:Zolpidem is a common hypnotic with the chemical formula C₁9H21N3O. Stilnox - the brand name of zolpidem in Vietnam- is the hemitartratre of zolpidem: meaning that
the salt contains 1 molecule of tartaric acid for 2 molecules of zolpidem : (C₁9H₂1N30)₂ C₂H₂O6 The molar mass (molecular weight) of zolpidem is 307.39
g/mol while the molecular weight of the hemitartratre salt is 764.87 g/mol.
We want to prepare 100mL of a 1mM zolpidem solution. How much zolpidem base should we weigh ?
How much should we weigh if we start with the hemitartrate salt?
a-
b-
Select one:
a. a- 30.7 mg, b- 38.2 mg
b. a-30.7 mg, b- 76.5 mg
c. a- 61.5 mg, b- 76.5 mg
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