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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Data Report Sheet: Spectrophotometric Determination of an Equilibrium
Coustant.
Part A: Determination of a Calibration Curve:
Std. 2
Stnd. 3
Stnd 4
Stnd. 5
Stnd. 6
(H)
0.000189 0.000204
0.000127
(Fe(SCN)"]
Column A
0.
0600000
0.432
0.480
0.633
0.831
0.887
Absorbance
Column E
y3 4339.8x + 0.0258
Equafion of Calibration Line:
Correlation Coefficient:
4339.8
Slope (be):
Part B: Determination of K
Expt. 1
Expt. 2
Expt. 3
Expt. 4
Expt. 5
0.00165
0.00165
0.00165
0.00165 0.00165
(Table 1)
0.00033
0.00132
0.00165
990000
66000'0
(Table 1)
|Fe(SCN)'"laquit.
0.290
0.524
0.803
1.024
1.199
Column F
ISCN aqu
148.6799
135.1678
142.2659 141.8466
134.2843
Average K:140.448](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feb39a791-932a-40e9-8866-3329ef2f764e%2F68dd38ef-e9c6-4849-a1be-5ceb9ded4622%2Fuqd711o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:I
Data Report Sheet: Spectrophotometric Determination of an Equilibrium
Coustant.
Part A: Determination of a Calibration Curve:
Std. 2
Stnd. 3
Stnd 4
Stnd. 5
Stnd. 6
(H)
0.000189 0.000204
0.000127
(Fe(SCN)"]
Column A
0.
0600000
0.432
0.480
0.633
0.831
0.887
Absorbance
Column E
y3 4339.8x + 0.0258
Equafion of Calibration Line:
Correlation Coefficient:
4339.8
Slope (be):
Part B: Determination of K
Expt. 1
Expt. 2
Expt. 3
Expt. 4
Expt. 5
0.00165
0.00165
0.00165
0.00165 0.00165
(Table 1)
0.00033
0.00132
0.00165
990000
66000'0
(Table 1)
|Fe(SCN)'"laquit.
0.290
0.524
0.803
1.024
1.199
Column F
ISCN aqu
148.6799
135.1678
142.2659 141.8466
134.2843
Average K:140.448
Expert Solution
Step 1
The reaction for which equilibrium constant is to be determined is:
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