Calculate the equilibrium concentration of FeSCN^2 Please explain.

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
ChapterA1: Evaluation Of Analytical Data
Section: Chapter Questions
Problem A1.6QAP
icon
Related questions
icon
Concept explainers
Question
Calculate the equilibrium concentration of FeSCN^2 Please explain.
Part I
Temperature:
°C
Beaker
[FESCN*]
Absorbance
1.6 x 10^-4 M | 0.582
1
1.2 x 10^-4 M
0.448
2
0.8 x 10 ^-4 M | 0.299
3
0.4 x 10^-4 M
0.151
4
Slope = 3596
Y-Intercept = 0.01112
Correlation: 0.9995
Linear Regression Equation
RMSE: 0.0007409
Part II: Use the linear regression equation to calculate [FeSCN-]
Beaker Absorbance (FESCN»] at equilibrium
0.225
A
0.262
B
0.318
Transcribed Image Text:Part I Temperature: °C Beaker [FESCN*] Absorbance 1.6 x 10^-4 M | 0.582 1 1.2 x 10^-4 M 0.448 2 0.8 x 10 ^-4 M | 0.299 3 0.4 x 10^-4 M 0.151 4 Slope = 3596 Y-Intercept = 0.01112 Correlation: 0.9995 Linear Regression Equation RMSE: 0.0007409 Part II: Use the linear regression equation to calculate [FeSCN-] Beaker Absorbance (FESCN»] at equilibrium 0.225 A 0.262 B 0.318
Expert Solution
Step 1

Given:

Beaker [FeSCN+2] Absorbance
1. 1.6*10-4 M 0.582
2. 1.2*10-4 M 0.448
3. 0.8*10-4 M 0.299
4. 0.4*10-4 M 0.151

 

 

 

 

steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Ionic Equilibrium
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
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
Chemistry
ISBN:
9781285640686
Author:
Skoog
Publisher:
Cengage
Appl Of Ms Excel In Analytical Chemistry
Appl Of Ms Excel In Analytical Chemistry
Chemistry
ISBN:
9781285686691
Author:
Crouch
Publisher:
Cengage
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning