Data Table Attach a Graphical Analysis graph of the calibration line of the CrO42 concentration. The graph should have labeled axes, and a linear regression line with slope intercept, and correlation factor. Molarity of the stock K2CrO4 solution: 0.0024M Beer's Law Plot Data Vol (mL CrO4²) Concentration (M) %T Absorbance 0 wo 000 2.4 ×10´s 74.2 6.13 3 5 7.2×10 34.3 0.40 12× 10-4 2310 062 10 32.4×104 18 1.16 Molar Solubility of Chromate - Data Absorbance [CrO42] (M) Trial %T 1 2 3 [Ag+1] (M) Calculated Ksp from data 1.4 1.2 1 0.8 0.6 0.4 0.2 Vol 2- %T A Cro %T Sam A Cro Ave Ksp 0 100 0 0 22.5 0.6478 1.24E-04 9.94E-05 3.93E-12 1 67.6 0.17 2.40E-05 30.5 0.5157 9.86E-05 3 40.6 0.39 7.20E-05 40.2 0.3958 7.57E-05 5 24.0 0.62 1.20E-04 10 7.0 1.25 2.40E-04 CrO2- y = 5229.5x R2 = 0.9989 0 0 0.00005 0.0001 0.00015 0.0002 0.00025 0.0003
Data Table Attach a Graphical Analysis graph of the calibration line of the CrO42 concentration. The graph should have labeled axes, and a linear regression line with slope intercept, and correlation factor. Molarity of the stock K2CrO4 solution: 0.0024M Beer's Law Plot Data Vol (mL CrO4²) Concentration (M) %T Absorbance 0 wo 000 2.4 ×10´s 74.2 6.13 3 5 7.2×10 34.3 0.40 12× 10-4 2310 062 10 32.4×104 18 1.16 Molar Solubility of Chromate - Data Absorbance [CrO42] (M) Trial %T 1 2 3 [Ag+1] (M) Calculated Ksp from data 1.4 1.2 1 0.8 0.6 0.4 0.2 Vol 2- %T A Cro %T Sam A Cro Ave Ksp 0 100 0 0 22.5 0.6478 1.24E-04 9.94E-05 3.93E-12 1 67.6 0.17 2.40E-05 30.5 0.5157 9.86E-05 3 40.6 0.39 7.20E-05 40.2 0.3958 7.57E-05 5 24.0 0.62 1.20E-04 10 7.0 1.25 2.40E-04 CrO2- y = 5229.5x R2 = 0.9989 0 0 0.00005 0.0001 0.00015 0.0002 0.00025 0.0003
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.16QAP
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A) Show your equilibrium setup and calculations for each of the units of the trails.
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