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EQUILIBRIUM CONCENTRATIONS [Fe+]equ, (M) [SCN Jequ, (M) Sample Unrounded Rounded Unrounded Rounded A 4 B 4 3 3

EQUILIBRIUM CONCENTRATIONS [Fe+]equ, (M) [SCN Jequ, (M) Sample Unrounded Rounded Unrounded Rounded A 4 B 4 3 3

Chemistry
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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I really need help calculating the following values please!! (make sure unrounded values have 4 or more sig figs).

PART 2. DETERMINATION OF THE CONCENTRATION OF A STRONG ACID SOLUTION EXPERIMENTAL DATA The total volume must be close to 15.00 mL. Record the equilibrium concentrations and absorbances displayed on the computer screen once the samples have been scanned. DEIONIZED [Fe(SCN)**]equ BURETTE 0.00150 M 0.00150 M SAMPLE ABSORBANCE Fe+, (mL) SCN ,(mL) H2O, (mL) (M) READINGS Initial 12.38 15.53 18.26 A 8.860 × 10-5 0.398126 Final 19.53 19.31 22.33 Initial 10.73 14.22 18.12 B 1.175 x 10-4 0.521179 Final 17.60 18.19 22.28 Initial 11.83 16.64 12.78 C 1.655 x 10-4 0.726137 Final 18.91 20.55 16.79
Transcribed Image Text:PART 2. DETERMINATION OF THE CONCENTRATION OF A STRONG ACID SOLUTION EXPERIMENTAL DATA The total volume must be close to 15.00 mL. Record the equilibrium concentrations and absorbances displayed on the computer screen once the samples have been scanned. DEIONIZED [Fe(SCN)**]equ BURETTE 0.00150 M 0.00150 M SAMPLE ABSORBANCE Fe+, (mL) SCN ,(mL) H2O, (mL) (M) READINGS Initial 12.38 15.53 18.26 A 8.860 × 10-5 0.398126 Final 19.53 19.31 22.33 Initial 10.73 14.22 18.12 B 1.175 x 10-4 0.521179 Final 17.60 18.19 22.28 Initial 11.83 16.64 12.78 C 1.655 x 10-4 0.726137 Final 18.91 20.55 16.79
EQUILIBRIUM CONCENTRATIONS [Fe®+]equ, (M) (SCN Jequ, (M) Sample Unrounded Rounded Unrounded Rounded A 4 3 4 В 3 4 4 3 4 4 3.
Transcribed Image Text:EQUILIBRIUM CONCENTRATIONS [Fe®+]equ, (M) (SCN Jequ, (M) Sample Unrounded Rounded Unrounded Rounded A 4 3 4 В 3 4 4 3 4 4 3.
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