In the HQS-Mg fluorescence part of Lab 6, a calibration curve is made of fluorescence intensity vs. MgCl₂ concentration (M). The standard solutions for the calibration curve were made by mixing a small amount of 0.01 M MgCl₂ with some HQS solution. Calculate the concentration of MgCl₂ (M) in each of the following standards. Report your concentrations to 3 sig figs.
In the HQS-Mg fluorescence part of Lab 6, a calibration curve is made of fluorescence intensity vs. MgCl₂ concentration (M). The standard solutions for the calibration curve were made by mixing a small amount of 0.01 M MgCl₂ with some HQS solution. Calculate the concentration of MgCl₂ (M) in each of the following standards. Report your concentrations to 3 sig figs.
Chapter12: Spectrochemical Methods
Section: Chapter Questions
Problem 11P
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![In the HQS-Mg fluorescence part of Lab 6, a calibration curve is made of fluorescence intensity vs.
MgCl2 concentration (M). The standard solutions for the calibration curve were made by mixing a
small amount of 0.01 M MgCl2 with some HQS solution. Calculate the concentration of MgCl2 (M)
in each of the following standards. Report your concentrations to 3 sig figs.
Fluorescence
Volume of 0.01 M
Volume of 1 mM
Concentration of MgCl2 (M)
Intensity
MgCl2 (mL)
HQS (mL)
0.031250902
0.8
100
0.049490754
0.8
50
0.059803507
2
100
0.085834029
3.6
100
Hint: The total volume of each solution is volume of 0.01 M MgCl2 + volume of 1 mM HQS.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6f6d2f58-ebc5-487b-abb4-91cd16bfc1c1%2Fa7edac3b-97a4-484f-b378-abe6f52239ee%2Ffrulyp_processed.png&w=3840&q=75)
Transcribed Image Text:In the HQS-Mg fluorescence part of Lab 6, a calibration curve is made of fluorescence intensity vs.
MgCl2 concentration (M). The standard solutions for the calibration curve were made by mixing a
small amount of 0.01 M MgCl2 with some HQS solution. Calculate the concentration of MgCl2 (M)
in each of the following standards. Report your concentrations to 3 sig figs.
Fluorescence
Volume of 0.01 M
Volume of 1 mM
Concentration of MgCl2 (M)
Intensity
MgCl2 (mL)
HQS (mL)
0.031250902
0.8
100
0.049490754
0.8
50
0.059803507
2
100
0.085834029
3.6
100
Hint: The total volume of each solution is volume of 0.01 M MgCl2 + volume of 1 mM HQS.
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