1. The accompanying absorption data were recorded at 390 nm in a 1.00 cm cells for a continuous variation study of the colored product formed between Cd and the complexing reagent R. Solution Reagent volumes, mL A390 cCd = 1.25 x 10“ M cR = 1.25 x 10“ M %3D 0.00 1.00 0.00 0.174 10.00 1 9.00 2 8.00 2.00 0.353 7.00 3.00 0.530 4 6.00 4.00 0.672 5 5.00 5.00 0.723 6.00 7.00 6. 4.00 0.673 3.00 0.537 8. 2.00 8.00 0.358 9. 1.00 9.00 0.180 10 0.00 10.00 0.000 1. Find the ligand-to-metal ratio in the product. p. Calculate an average value for the molar absorptivity of the complex and its uncertainty. Assume that in the linear portions of the plot the metal is completely complexed. Calculate Kf for the complex using the stoichiometric ratio determined in (a) and the absorption data at the point of intersection of the two extrapolated lines. C.

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...
icon
Related questions
Question
The accompanying absorption data were recorded at 390 nm in a 1.00 cm cells for a continuous
variation study of the colored product formed between Cd and the complexing reagent R.
1.
Solution
Reagent volumes, mL
A390
cCd = 1.25 x 104 M
cR = 1.25 x 104 M
10.00
0.00
0.00
1
9.00
1.00
0.174
2
8.00
2.00
0.353
3
7.00
3.00
0.530
4
6.00
4.00
0.672
5
5.00
5.00
0.723
4.00
6.00
0.673
7
3.00
7.00
0.537
8.
2.00
8.00
0.358
9
1.00
9.00
0.180
10
0.00
10.00
0.000
Find the ligand-to-metal ratio in the product.
b. Calculate an average value for the molar absorptivity of the complex and its uncertainty. Assume
that in the linear portions of the plot the metal is completely complexed.
Calculate Kf for the complex using the stoichiometric ratio determined in (a) and the absorption
data at the point of intersection of the two extrapolated lines.
а.
c.
Transcribed Image Text:The accompanying absorption data were recorded at 390 nm in a 1.00 cm cells for a continuous variation study of the colored product formed between Cd and the complexing reagent R. 1. Solution Reagent volumes, mL A390 cCd = 1.25 x 104 M cR = 1.25 x 104 M 10.00 0.00 0.00 1 9.00 1.00 0.174 2 8.00 2.00 0.353 3 7.00 3.00 0.530 4 6.00 4.00 0.672 5 5.00 5.00 0.723 4.00 6.00 0.673 7 3.00 7.00 0.537 8. 2.00 8.00 0.358 9 1.00 9.00 0.180 10 0.00 10.00 0.000 Find the ligand-to-metal ratio in the product. b. Calculate an average value for the molar absorptivity of the complex and its uncertainty. Assume that in the linear portions of the plot the metal is completely complexed. Calculate Kf for the complex using the stoichiometric ratio determined in (a) and the absorption data at the point of intersection of the two extrapolated lines. а. c.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 4 images

Blurred answer
Knowledge Booster
Mass Spectrometry
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY