a) Luminol has a molecular weight of 177 g/mol. The forensic technician at a crime scene has just prepared a luminol stock solution by adding 12.0 g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol? Express your answer with the appropriate units.b) Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10−2 M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray? Express your answer with the appropriate units. The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione,better known as luminol, is used by forensic scientists inanalyzing crime scenes for the presence of washed-awayblood. Luminol is so sensitive that it can detect blood thatPart AThe forensic technician at a crime scene has just prepared a luminol stock solution by adding 12.0 g of luminol into a total volume of 75.0mL of H2O.has been diluted 10,000 times. A basic solution of luminolis often sprayed onto surfaces that are suspected ofcontaining minute amounts of blood.What is the molarity of the stock solution of luminol?Luminol has a molecular weight of 177 g/mol.Express your answer with the appropriate units. Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00x10-2 M . The diluted solution isthen placed in a spray bottle for application on the desired surfaces.How many moles of luminol are present in 2.00 L of the diluted spray?Express your answer with the appropriate units.

Introduction: Molarity: The number of moles of solute dissolved in one liter of solution is called…

Answered: a) Luminol has a molecular weight of…

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

Chapter13: Solutions And Their Behavior

Section: Chapter Questions

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a) Luminol has a molecular weight of 177 g/mol. The forensic technician at a crime scene has just prepared a luminol stock solution by adding 12.0 g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol? Express your answer with the appropriate units.

b) Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10⁻² M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray? Express your answer with the appropriate units.

The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione,
better known as luminol, is used by forensic scientists in
analyzing crime scenes for the presence of washed-away
blood. Luminol is so sensitive that it can detect blood that
Part A
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 12.0 g of luminol into a total volume of 75.0
mL of H2O.
has been diluted 10,000 times. A basic solution of luminol
is often sprayed onto surfaces that are suspected of
containing minute amounts of blood.
What is the molarity of the stock solution of luminol?
Luminol has a molecular weight of 177 g/mol.
Express your answer with the appropriate units.

Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00x10-2 M . The diluted solution is
then placed in a spray bottle for application on the desired surfaces.
How many moles of luminol are present in 2.00 L of the diluted spray?
Express your answer with the appropriate units.

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