To determine the molar concentration of a metal ion in a solution of unknown concentration, a student fırst made five standard solutions that contain the metal ion of interest and measured the absorbance of each solution in a spectrophotometer at its åmax- A calibration curve was obtained that had an equation of y = 5.747 x + 0.013 Next, the student pipetted 15.0 mL of the initial solution of unknown concentration into a 100.0 mL volumetric flask, and filled the flask with deionized water to the line. The absorbance of this final diluted solution was found to be A = 0.226 at Amax- The color of the original and diluted solution was blue. What is the molarity of the original solution, as well approximate Amax for this metal ion? Amax = 599 nm and concentration is 0.247 M %3D Amax = 457 nm and concentration is 0.247 M %3D i max = 457 nm and concentration is 0.0371 M a max = 599 nm and concentration is 0.0371 M %3D Amax = 599 nm and concentration is 0.00557 M %3D
To determine the molar concentration of a metal ion in a solution of unknown concentration, a student fırst made five standard solutions that contain the metal ion of interest and measured the absorbance of each solution in a spectrophotometer at its åmax- A calibration curve was obtained that had an equation of y = 5.747 x + 0.013 Next, the student pipetted 15.0 mL of the initial solution of unknown concentration into a 100.0 mL volumetric flask, and filled the flask with deionized water to the line. The absorbance of this final diluted solution was found to be A = 0.226 at Amax- The color of the original and diluted solution was blue. What is the molarity of the original solution, as well approximate Amax for this metal ion? Amax = 599 nm and concentration is 0.247 M %3D Amax = 457 nm and concentration is 0.247 M %3D i max = 457 nm and concentration is 0.0371 M a max = 599 nm and concentration is 0.0371 M %3D Amax = 599 nm and concentration is 0.00557 M %3D
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![To determine the molar concentration of a metal ion in a solution of unknown
concentration, a student fırst made five standard solutions that contain the metal ion
of interest and measured the absorbance of each solution in a spectrophotometer at
its Amax- A calibration curve was obtained that had an equation of
y = 5.747 x + 0.013
Next, the student pipetted 15.0 mL of the initial solution of unknown concentration
into a 100.0 mL volumetric flask, and filled the flask with deionized water to the line.
The absorbance of this final diluted solution was found to be A = 0.226 at Amax. The
color of the original and diluted solution was blue.
What is the molarity of the original solution, as well as an approximate Amax for this
metal ion?
2max = 599 nm and concentration is 0.247 M
Amax
457 nm and concentration is 0.247 M
%3D
2 max
= 457 nm and concentration is 0.0371 M
1 max
599 nm and concentration is 0.0371 M
Amax = 599 nm and concentration is 0.00557 M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c22e4ce-c549-4263-bb0f-84b6f538ce83%2Ffd9b279f-83e6-4f7f-ae11-491831daf13d%2Fm254kwd_processed.png&w=3840&q=75)
Transcribed Image Text:To determine the molar concentration of a metal ion in a solution of unknown
concentration, a student fırst made five standard solutions that contain the metal ion
of interest and measured the absorbance of each solution in a spectrophotometer at
its Amax- A calibration curve was obtained that had an equation of
y = 5.747 x + 0.013
Next, the student pipetted 15.0 mL of the initial solution of unknown concentration
into a 100.0 mL volumetric flask, and filled the flask with deionized water to the line.
The absorbance of this final diluted solution was found to be A = 0.226 at Amax. The
color of the original and diluted solution was blue.
What is the molarity of the original solution, as well as an approximate Amax for this
metal ion?
2max = 599 nm and concentration is 0.247 M
Amax
457 nm and concentration is 0.247 M
%3D
2 max
= 457 nm and concentration is 0.0371 M
1 max
599 nm and concentration is 0.0371 M
Amax = 599 nm and concentration is 0.00557 M
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