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In the laboratory you measured RMSE, however here you will enter the R2 value displayed on the graph. SLOPE, (M-1) INTERCEPT R? Unrounded 3 Rounded 4 4 4

In the laboratory you measured RMSE, however here you will enter the R2 value displayed on the graph. SLOPE, (M-1) INTERCEPT R? Unrounded 3 Rounded 4 4 4

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 need help with the following graph questions please.

Calibration Plot 0.8 0.6 0.4 0.2 0.5x10-4 1x10-4 1.5x10-4 2x10-4 [Fe(SCN2+)]equ, (M) y = 4.26442 × 103 x + 0.0202852 --- -- R2 = 0.999902 In the laboratory you measured RMSE, however here you will enter the R2 value displayed on the graph. SLOPE, (M-1) INTERCEPT R? Unrounded 3 3 3 Rounded 4 4 Absorbance
Transcribed Image Text:Calibration Plot 0.8 0.6 0.4 0.2 0.5x10-4 1x10-4 1.5x10-4 2x10-4 [Fe(SCN2+)]equ, (M) y = 4.26442 × 103 x + 0.0202852 --- -- R2 = 0.999902 In the laboratory you measured RMSE, however here you will enter the R2 value displayed on the graph. SLOPE, (M-1) INTERCEPT R? Unrounded 3 3 3 Rounded 4 4 Absorbance
PART 1. STANDARD SOLUTIONS AND DETERMINATION OF E EXPERIMENTAL DATA The initial concentrations of SCN after dilution were calculated as part of the Prelab Exercise. These will be equal to the equilibrium concentrations of Fe(SCN)². Write the correct answers in the chart below. FROM PRELAB EXPERIMENTAL DATA CALCULATED VALUES Sample 0.000300 M SCN,(mL) [Fe(SCN)**Jequ, (M) Absorbance 1 1.50 0.144898 3.00 x 10-5 2 3.50 0.322326 7.00 x 10-5 3 7.00 0.619060 1.40 x 10-4 4 10.00 0.871203 2.00 × 10-4
Transcribed Image Text:PART 1. STANDARD SOLUTIONS AND DETERMINATION OF E EXPERIMENTAL DATA The initial concentrations of SCN after dilution were calculated as part of the Prelab Exercise. These will be equal to the equilibrium concentrations of Fe(SCN)². Write the correct answers in the chart below. FROM PRELAB EXPERIMENTAL DATA CALCULATED VALUES Sample 0.000300 M SCN,(mL) [Fe(SCN)**Jequ, (M) Absorbance 1 1.50 0.144898 3.00 x 10-5 2 3.50 0.322326 7.00 x 10-5 3 7.00 0.619060 1.40 x 10-4 4 10.00 0.871203 2.00 × 10-4
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