Standard solutions of Erythrosin B (A red food dye) are prepared by pipetting 1.00, 2.00, 5.00, 7.00, 10.00 mL of 1.108x10- 2 mol/L Erythrosin B solution into 50.00 mL volumetric flasks. The 5 standards are then run on a Spectronic 20 at Amax Complete the table below and graph the calibration curve. [Erythrosin B] (mol/L) Volume Erythrosin B (mL) 1.00 2.00 5.00 7.00 10.00 Equation of trendline: R². Absorbance 0.160 0.211 0.342 0.450 0.571

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Standard solutions of Erythrosin B (A red food dye) are prepared by pipetting
1.00, 2.00, 5.00, 7.00, 10.00 mL of 1.108x10- 2 mol/L Erythrosin B solution into
50.00 mL volumetric flasks. The 5 standards are then run on a Spectronic 20 at
Amax
Complete the table below and graph the calibration curve.
[Erythrosin B] (mol/L)
Volume Erythrosin B
(mL)
1.00
2.00
5.00
7.00
10.00
Equation of trendline:
R²:
Absorbance
0.160
0.211
0.342
0.450
0.571
Transcribed Image Text:Standard solutions of Erythrosin B (A red food dye) are prepared by pipetting 1.00, 2.00, 5.00, 7.00, 10.00 mL of 1.108x10- 2 mol/L Erythrosin B solution into 50.00 mL volumetric flasks. The 5 standards are then run on a Spectronic 20 at Amax Complete the table below and graph the calibration curve. [Erythrosin B] (mol/L) Volume Erythrosin B (mL) 1.00 2.00 5.00 7.00 10.00 Equation of trendline: R²: Absorbance 0.160 0.211 0.342 0.450 0.571
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