Part 2: Equilibrium Constant Determination Tube Fe(NO3)3 (mL) HSCN (mL) [Fe³+]; (M) 1 1.00.015 5.0 2.00.0075 5.0 3.0 0.005 μ 5.0 4.0 0.02375 5.0 5.0 0.003 5.0 HSCN Stock Concentration: M Fe(NO3), Stock Concentration: 00 2 3 4 S [HSCN] (M) Absorbance 5 10.107 10.183 3.00.005μ 1.667 0.184 1.25 0.353 1 0.414 [FeSCNJ (M)

Appl Of Ms Excel In Analytical Chemistry
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ISBN:9781285686691
Author:Crouch
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Chapter9: Complexometric And Precipitation Titrations
Section: Chapter Questions
Problem 17P
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I just need help solving for FeSCN^2+

CI
Constant Determination
HSCN
(mL)
2
5.0 2.0
3
5.0
3.0
4
5.0 4.0
5
5.0 5.0
HSCN Stock Concentration: M
Fe(NO3)3 Stock Concentration: M
Tube Fe(NO3)3 (mL)
1
[Fe]
(M)
[HSCN]
(M)
Absorbance
0.107
0.183
0.184
0.353
0.414
[FeSCN²
(M)
Transcribed Image Text:CI Constant Determination HSCN (mL) 2 5.0 2.0 3 5.0 3.0 4 5.0 4.0 5 5.0 5.0 HSCN Stock Concentration: M Fe(NO3)3 Stock Concentration: M Tube Fe(NO3)3 (mL) 1 [Fe] (M) [HSCN] (M) Absorbance 0.107 0.183 0.184 0.353 0.414 [FeSCN² (M)
CH 222
Part 2: Equilibrium Constant Determination
Tube
Fe(NO3)3 (mL)
HSCN
(mL)
[Fe³+];
(M)
1
1.00.015
5
10.107
2
5.0
2.00.0075 2.5
0.183
5.0
3.00.005μ 1.667 0.184
5.0 4.0 0.00375
0.00375 1.25
0.353
5.0 5.0 0.003
1
0.414
니
3
4
5
HSCN Stock Concentration: M
Fe(NO3)3 Stock Concentration: 0.00M
C₁V₁=C₂V₂
[HSCN];
(M)
Absorbance
Lab 7
[FeSCN³*]cq
(M)
Transcribed Image Text:CH 222 Part 2: Equilibrium Constant Determination Tube Fe(NO3)3 (mL) HSCN (mL) [Fe³+]; (M) 1 1.00.015 5 10.107 2 5.0 2.00.0075 2.5 0.183 5.0 3.00.005μ 1.667 0.184 5.0 4.0 0.00375 0.00375 1.25 0.353 5.0 5.0 0.003 1 0.414 니 3 4 5 HSCN Stock Concentration: M Fe(NO3)3 Stock Concentration: 0.00M C₁V₁=C₂V₂ [HSCN]; (M) Absorbance Lab 7 [FeSCN³*]cq (M)
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