0.2 0.5×10-4 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 R2 Unrounded 4.26442 x 103 0.0202852 0.999902 Rounded 4.264 x 103 0.02029 0.9999 CALCULATED VALUE • The path length of the vial is 1.00 cm. Unrounded Rounded Molar absorption coefficient for Fe(SCN)²+, (M-1 cm-1) 3

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I need help calculating the molar absorption please!

0.2
0.5×10-4
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
4.26442 x 10³
0.0202852
0.999902
Rounded
4.264 x 103
0.02029
0.9999
CALCULATED VALUE
• The path length of the vial is 1.00 cm.
Unrounded
Rounded
Molar absorption coefficient for Fe(SCN), (M-1 cm-1)
3
4
Transcribed Image Text:0.2 0.5×10-4 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 4.26442 x 10³ 0.0202852 0.999902 Rounded 4.264 x 103 0.02029 0.9999 CALCULATED VALUE • The path length of the vial is 1.00 cm. Unrounded Rounded Molar absorption coefficient for Fe(SCN), (M-1 cm-1) 3 4
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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