3: In the second part of the experiment, a solution containing 1.60x10-³ M Fe³+ and 4.00x10-4 M SCN was created, and the absorbance was recorded as 0.242 once the solution reached equilibrium. on, calculate the equilibrium concentration of FeNCS²+ present. 4: Using an ICE table, determine the equilibrium concentrations of Fe³+ and SCN in the previous question. Then, use the equilibrium concentrations of Fe³+, SCN", and FeNCS²+ to calculate Keq for the chemical reaction.
3: In the second part of the experiment, a solution containing 1.60x10-³ M Fe³+ and 4.00x10-4 M SCN was created, and the absorbance was recorded as 0.242 once the solution reached equilibrium. on, calculate the equilibrium concentration of FeNCS²+ present. 4: Using an ICE table, determine the equilibrium concentrations of Fe³+ and SCN in the previous question. Then, use the equilibrium concentrations of Fe³+, SCN", and FeNCS²+ to calculate Keq for the chemical reaction.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
Section: Chapter Questions
Problem 68QAP
Related questions
Question
See image below
![3: In the second part of the experiment, a solution containing 1.60x10³ M Fe³+ and 4.00x10-4 M SCN
was created, and the absorbance was recorded as 0.242 once the solution reached equilibrium.
on, calculate the equilibrium concentration of FeNCS²+
present.
4: Using an ICE table, determine the equilibrium concentrations of Fe³+ and SCN in the previous
question. Then, use the equilibrium concentrations of Fe³+, SCN*, and FeNCS²+ to calculate Keq for the
chemical reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdee8ae33-4eca-4bcd-9517-a19806391164%2F2155a6a9-4497-4f38-9cff-58a149665bbe%2F6g0kwka_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3: In the second part of the experiment, a solution containing 1.60x10³ M Fe³+ and 4.00x10-4 M SCN
was created, and the absorbance was recorded as 0.242 once the solution reached equilibrium.
on, calculate the equilibrium concentration of FeNCS²+
present.
4: Using an ICE table, determine the equilibrium concentrations of Fe³+ and SCN in the previous
question. Then, use the equilibrium concentrations of Fe³+, SCN*, and FeNCS²+ to calculate Keq for the
chemical reaction.
![Sample
Blank
S2
S3
$4
$5
S6
S7
S8
S9
$10
Stock of Fe
Stock of SC
Volume Fe3+, mL
2.000
2.000
2.000
2.000
2.000
2.000
2.000
2.000
2.000
2.000
[Fe3+] M
0.200 M
2.00E-03 M
0.200
0.198
0.195
0.193
0.190
0.188
0.186
0.184
0.182
0.180
Volume SCN-, mL [SCN-] M
0.0000
0.0250
0.0500
0.0750
0.1000
0.1250
0.1500
0.1750
0.2000
0.2250
0.00E+00
2.47E-05
4.88E-05
7.23E-05
9.52E-05
1.18E-04
1.40E-04
1.61E-04
1.82E-04
2.02E-04
Absorbamce
0
0.097
0.214
0.313
0.408
0.509
0.599
0.688
0.771
0.858](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdee8ae33-4eca-4bcd-9517-a19806391164%2F2155a6a9-4497-4f38-9cff-58a149665bbe%2Foajpt2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Sample
Blank
S2
S3
$4
$5
S6
S7
S8
S9
$10
Stock of Fe
Stock of SC
Volume Fe3+, mL
2.000
2.000
2.000
2.000
2.000
2.000
2.000
2.000
2.000
2.000
[Fe3+] M
0.200 M
2.00E-03 M
0.200
0.198
0.195
0.193
0.190
0.188
0.186
0.184
0.182
0.180
Volume SCN-, mL [SCN-] M
0.0000
0.0250
0.0500
0.0750
0.1000
0.1250
0.1500
0.1750
0.2000
0.2250
0.00E+00
2.47E-05
4.88E-05
7.23E-05
9.52E-05
1.18E-04
1.40E-04
1.61E-04
1.82E-04
2.02E-04
Absorbamce
0
0.097
0.214
0.313
0.408
0.509
0.599
0.688
0.771
0.858
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