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1. Determining the Wavelength of Maximum Absorption: 2. Determining the concentration of an Unknown Solution Volume...
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a...
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 was y= 2,896x + -0.004. Her Kool-Aid sample had an absorbance of 0.842. If 0.484 grams of Kool-Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl oz cup?
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that h...
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 was y = 2,840x + 0.005. Her Kool-Aid sample had an absorbance of 0.635. If 0.546 grams of Kool-Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl oz cup?
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a...
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 2,243x + -0.006 was y Her Kool-Aid sample had an absorbance of 0.422. If 0.496 grams of Kool-Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl oz cup? Do not include the percentage sign...
3 pts D Question 5 After creating her standard curve for absorption versus the concentration (M)...
3 pts D Question 5 After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 was y = 2,774x + -0.009. Her Kool Aid sample had an absorbance of 0.848. If 0.465 grams of Kool Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl...
Page 2 of 4 TREATMENT OF DATA: A. Concentration of Biomarker by Spect a linear line...
Page 2 of 4 TREATMENT OF DATA: A. Concentration of Biomarker by Spect a linear line of best fit. Thls is rour callbration curve. Include the rable, Titles with Units, Linear Line of Best Fit, Equation for the Line of table below. Using a spreadsheet ocentration and mean absorbance of the four diluted solutions in the dilutedw. Using a t program, plot the mean absorbance versus concentration of the ed Best Fit anct th the raph:D and R? value. Attach...
please help with question 1 and 3 part c Name: 8 9 Lab Section: 7 Pre-lab: The Concentration of Riboflavin 1. The gi...
please help with question 1 and 3 part c
Name: 8 9 Lab Section: 7 Pre-lab: The Concentration of Riboflavin 1. The given absorbance spectrum is recorded for a dye. Which is the most likely color of this dye? a. Blue-green b. Colorless c. Red d. Black M stock solution is diluted to 10.00 ml, what is the final 2. IF 4.00 ml of a 5.00 X 10 concentration? 3. The absorbance of known concentrations of blue food dye were...
1. A student makes a solution by mixing 7.0 mL of a 4.5 x 10 M...
1. A student makes a solution by mixing 7.0 mL of a 4.5 x 10 M solution of Allura Red and 3.0 ml of water. What is the concentration of Allura Red in the resulting solution? A student is interested in the concentration of blue dve in his favorite beverage. He knows that spectroscopy can be used to determine the concentration of dye molecules in a solution. After making several solutions of known concentration, the student measured the absorbance of...
PLEASE HELP! 1. Solve for concentration (x) using your best fit line from the graph (y=mx+b) 2....
PLEASE HELP!
1. Solve for concentration (x) using your best fit
line from the graph (y=mx+b)
2. What is the concentration of your unknown solution in
mM?
3. What is the molar absorptivity (ϵ) of the drink mix? (In
units of mM-1 cm-1)
Table 1: Red 40 Dye Solution [Red 40), M 0.1000 0.0800 0.0500 0.0200 0.0000 Absorbance, AU 0.348 0.295 0.147 0.075 0 Blank Analytical A, nm: Unknown No: Unknown Abs: Slope of B-L Plot: Int'pt of Plot: [Red 40)...
Table 1: Red 40 Dye Solution А в [Red 40), M 0.1000 Т. 0.0800 0.0500 0.0200...
Table 1: Red 40 Dye Solution А в [Red 40), M 0.1000 Т. 0.0800 0.0500 0.0200 0.0000 Absorbance, AU 0.348 0.295 0.147 0.075 0 D Blank Analytical , nm: Unknown No: Unknown Abs: Slope of B-L Plot: Int'pt of Plot: [Red 40] in unk: 501.9 B-74 0.792 3.529 -0.00347 PLEASE HELP! 1. Solve for concentration (x) using your best fit line from the graph (y=mx+b) 2. What is the concentration of your unknown solution in mM? 3. What is the...
Preparing Dilute Solutions C1 V1 C2 V2 C1 is the concentration of the original concentrated solution...
Preparing Dilute Solutions C1 V1 C2 V2 C1 is the concentration of the original concentrated solution V1 is the volume of the original concentrated solution C2 is the concentration of the final dilute solution V2 is the volume of the final dilute solution A common solution unit is mol/L which can also be written as M. A solution that is 0.1 M NAOH has 0.1 moles Na OH for every liter of solution. Beer's Law Calibration Curve A colored solution...
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 was y= 2,896x + -0.004. Her Kool-Aid sample had an absorbance of 0.842. If 0.484 grams of Kool-Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl oz cup?
After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 2,243x + -0.006 was y Her Kool-Aid sample had an absorbance of 0.422. If 0.496 grams of Kool-Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl oz cup? Do not include the percentage sign...
3 pts D Question 5 After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 was y = 2,774x + -0.009. Her Kool Aid sample had an absorbance of 0.848. If 0.465 grams of Kool Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl...
Page 2 of 4 TREATMENT OF DATA: A. Concentration of Biomarker by Spect a linear line of best fit. Thls is rour callbration curve. Include the rable, Titles with Units, Linear Line of Best Fit, Equation for the Line of table below. Using a spreadsheet ocentration and mean absorbance of the four diluted solutions in the dilutedw. Using a t program, plot the mean absorbance versus concentration of the ed Best Fit anct th the raph:D and R? value. Attach...
please help with question 1 and 3 part c
Name: 8 9 Lab Section: 7 Pre-lab: The Concentration of Riboflavin 1. The given absorbance spectrum is recorded for a dye. Which is the most likely color of this dye? a. Blue-green b. Colorless c. Red d. Black M stock solution is diluted to 10.00 ml, what is the final 2. IF 4.00 ml of a 5.00 X 10 concentration? 3. The absorbance of known concentrations of blue food dye were...
1. A student makes a solution by mixing 7.0 mL of a 4.5 x 10 M solution of Allura Red and 3.0 ml of water. What is the concentration of Allura Red in the resulting solution? A student is interested in the concentration of blue dve in his favorite beverage. He knows that spectroscopy can be used to determine the concentration of dye molecules in a solution. After making several solutions of known concentration, the student measured the absorbance of...
PLEASE HELP!
1. Solve for concentration (x) using your best fit
line from the graph (y=mx+b)
2. What is the concentration of your unknown solution in
mM?
3. What is the molar absorptivity (ϵ) of the drink mix? (In
units of mM-1 cm-1)
Table 1: Red 40 Dye Solution [Red 40), M 0.1000 0.0800 0.0500 0.0200 0.0000 Absorbance, AU 0.348 0.295 0.147 0.075 0 Blank Analytical A, nm: Unknown No: Unknown Abs: Slope of B-L Plot: Int'pt of Plot: [Red 40)...
Table 1: Red 40 Dye Solution А в [Red 40), M 0.1000 Т. 0.0800 0.0500 0.0200 0.0000 Absorbance, AU 0.348 0.295 0.147 0.075 0 D Blank Analytical , nm: Unknown No: Unknown Abs: Slope of B-L Plot: Int'pt of Plot: [Red 40] in unk: 501.9 B-74 0.792 3.529 -0.00347 PLEASE HELP! 1. Solve for concentration (x) using your best fit line from the graph (y=mx+b) 2. What is the concentration of your unknown solution in mM? 3. What is the...
Preparing Dilute Solutions C1 V1 C2 V2 C1 is the concentration of the original concentrated solution V1 is the volume of the original concentrated solution C2 is the concentration of the final dilute solution V2 is the volume of the final dilute solution A common solution unit is mol/L which can also be written as M. A solution that is 0.1 M NAOH has 0.1 moles Na OH for every liter of solution. Beer's Law Calibration Curve A colored solution...
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