Operating Wavelength : 462.8 nm Preparation of Standard Calibration Curve of [FeSCN]2+ Sample Number Absorbance Final Concentration of [FeSCN]2+(M) A 0.058 4.0E-5 B 0.174 8.0E-5 C 0.455 1.2E-4 D 0.740 1.6E-4 E 0.833 2.0E-4 Determination of [FeSCN]2+ in Equilibrium Mixtures Sample Number Absorbance 1 0.190 2 0.272 3 0.388 4 0.441 Determination of [FeSCN]2+ in equilibrium mixtures For Sample #1: the initial concentration of Fe3+ 0.0010 M the equilibrium concentration of Fe3+. 9.54×10-4 M the initial concentration of HSCN. 4.00×10-4 M the equilibrium concentration of HSCN. 3.54×10-4 M Calculate Keq for sample 1. ?
Operating Wavelength : 462.8 nm Preparation of Standard Calibration Curve of [FeSCN]2+ Sample Number Absorbance Final Concentration of [FeSCN]2+(M) A 0.058 4.0E-5 B 0.174 8.0E-5 C 0.455 1.2E-4 D 0.740 1.6E-4 E 0.833 2.0E-4 Determination of [FeSCN]2+ in Equilibrium Mixtures Sample Number Absorbance 1 0.190 2 0.272 3 0.388 4 0.441 Determination of [FeSCN]2+ in equilibrium mixtures For Sample #1: the initial concentration of Fe3+ 0.0010 M the equilibrium concentration of Fe3+. 9.54×10-4 M the initial concentration of HSCN. 4.00×10-4 M the equilibrium concentration of HSCN. 3.54×10-4 M Calculate Keq for sample 1. ?
Chapter4: Least-squares And Calibration Methods
Section: Chapter Questions
Problem 8P
Related questions
Question
100%
Operating Wavelength : 462.8 nm
Preparation of Standard Calibration Curve of [FeSCN]2+
| Sample Number | Absorbance | Final Concentration of [FeSCN]2+(M) |
|---|---|---|
| A | 0.058 | 4.0E-5 |
| B | 0.174 | 8.0E-5 |
| C | 0.455 | 1.2E-4 |
| D | 0.740 | 1.6E-4 |
| E | 0.833 | 2.0E-4 |
Determination of [FeSCN]2+ in Equilibrium Mixtures
| Sample Number | Absorbance |
|---|---|
| 1 | 0.190 |
| 2 | 0.272 |
| 3 | 0.388 |
| 4 | 0.441 |
Determination of [FeSCN]2+ in equilibrium mixtures
For Sample #1:
the initial concentration of Fe3+
0.0010 M
the equilibrium concentration of Fe3+.
9.54×10-4 M
the initial concentration of HSCN.
4.00×10-4 M
the equilibrium concentration of HSCN.
3.54×10-4 M
Calculate Keq for sample 1. ?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 4 images
Knowledge Booster
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.Recommended textbooks for you
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning