- 1 (20.92 KiB) Viewed 60 times
- 2 (17.88 KiB) Viewed 60 times
- 3 (23.98 KiB) Viewed 60 times
- 4 (11.08 KiB) Viewed 60 times
- 5 (23.42 KiB) Viewed 60 times
- 6 (13.22 KiB) Viewed 60 times
- 7 (14.94 KiB) Viewed 60 times
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- 9 (14.43 KiB) Viewed 60 times
- 10 (19.04 KiB) Viewed 60 times
- 11 (14.87 KiB) Viewed 60 times
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Initial Data for Equilibrium Constant Determination Initial Data for Equilibrium Constant Determination Vol. 0.00200 M Fe(NO3)3 (mL) E1 E2 E3 E4 E5 5.000 5.000 5.000 5.000 5.000 Vol. 0.00200 M KSCN (mL) 1.00 2.00 3.30 4,40 5.00 Vol. 0.500 M HNO₂ (mL) 4.00 3.00 1.70 0.60 0.00 Transmittance 72.00 66.20 53.50 45.30 40.50
Calibration Curve Calculations C1 C2 C3 C4 C5 Vol. 0.200 M Fe(NO3)3 (mL) 5.000 5.000 5.000 5.000 5.000 Vol. 0.00200 MKSCN (mL) 0.55 1.00 1.50 2.20 2.50 Vol. Total 0.500 M Solution HNO₂ Volume (mL) (mL) 14.45 14.00 13.50 12.80 12.50 Initial Initial [Fe(NOs)] [KSCN] (M) (M) Table view Final [F@SCN4 (M) ST Absorbance 71.73 55.68 40.05 27.60 List view 22.63
(Opts) What is the slope of your best fit line in the calibration curve? (Opts) What is the y-intercept of your best fit line in the calibration curve?
Calculations for Equilibrium Constant Determination E1 E2 E3 E4 E5 Vol. 0.00200 M Fe(NO3)3 (mL) 5.000 5.000 5.000 5.000 5.000 Vol. 0.00200 MKSCN (mL) 1.00 2.00 3.30 4.40 5.00 Vol. 0.500 M HNO, (mL) 4.00 3.00 1.70 0.60 0.00 Total Solution Volume (mL) Initial Initial [Fe(NO,)sl [KSCN (M) (M) 72.00 66.20 *T Absorbance[FeSCN³1 53.50 45.30 Table view 40.50 List view Equilibrium (M)
ICE Table for Tube E1 Initial Change Equilibrium [Fe³+](M) + (SCN](M) pit Table viewi List view [FeSCN²1(M) 0.00 M
ICE Table for Tube E2 Initial Change Equilibrium [Fe³+](M) + [SCN](M) p Table view List view [FeSCN2(M) 0.00 M
ICE Table for Tube E3 Initial Change Equilibrium [Fe³+](M) + [SCN*](M) Table view List view [FeSCN²"](M) 0.00 M
ICE Table for Tube E4 Initial Change Equilibrium [Fe³+](M) Table view List view [FeSCN²*1(M) 0.00 M
ICE Table for Tube E5 Initial Change Equilibrium [Fe³+](M) + [SCN*](M) W Table viewi List view [FeSCN²*1(M) 0.00 M
(2pts) Write the expression for Keq for the reaction of Fe³+ (aq) + SCN (aq) FeSCN2+ (aq) Normal : BIU X₁ X¹ EEE BEITE @ T
E1 E2 E3 E4 E5 Average Table view List view Ke
(Opts) Enter the expected absorbance for E3 based on your calculations. (1pts) Calculate the percent error between the theoretical absorbance of E3 and the experimental absorbance of E3.