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
Chapter10: Effect Of Electrolytes On Chemical Equilibria
Section: Chapter Questions
Problem 10.16QAP
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F124af7df-215c-470f-a3a7-f7a2bdab4b3f%2Fb73a9b09-a166-42a8-8645-e2095afb2b5a%2Ff76r4pa_processed.png&w=3840&q=75)
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
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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