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2. The extrapolated literature value of Keg for the formation of FeNCS2+ (aq) at 25°C and...
Name:. Date: Lab Section: 4. The blank solution used to calibrate the spectrophotometer is 5.0 mL...
Name:. Date: Lab Section: 4. The blank solution used to calibrate the spectrophotometer is 5.0 mL of 0.2 M Fe(NO)) diluted to 50 mt with H:O Why is this solution preferred to simply using de-ionized water for the calibration? Te celibutoneans ser He astanat os errors-free Te deionized woser alane sho no abtorpton 5. A reaction mixture of 4.00 mL. of 0.00200 M SCN and 5.00 mL of 0.00200 M Fe is uoreangth diluted to 10.00 mL with 0.1 M...
2.) Explain why the concentration of Fe(SCN)2+ is equal to the intial concentration of the SCN- f...
2.) Explain why the concentration of Fe(SCN)2+ is equal to the
intial concentration of the SCN- for each solution in part A?
3.) also!!
thank you!!! :)
Post-Lab Questions: A solution is made by mixing 5.00 ml. of 0.00300 M Fe(NO,)s with 4.00 mL. of 0.00300 M KSCN and 3.00 mL. of 1.0 MHNO,. After equilibrium is established, the concentration Fe(SCN)P was determined to be 2.72 x 10* M. Calculate the value of the equilibrium constant for the reaction. Fe...
The reaction for the formation of the diamine-silver son is as follows: A® LÀ NHÀ ANH...
The reaction for the formation of the diamine-silver son is as follows: A® LÀ NHÀ ANH Nha La Write the equilibrium constant expression for this reaction b. An experiment was carried out to determine the value of the equilibrium constant for the shove reaction Show ICE table Total moles of Ag present Total Moles of NH, present Measured AgNH,) a equilibrium Total solution Volume 3.6 x 10 moles 6.9 x 10 moles 3.4 x 10- moles 100 ml i Calculate...
Lab Report: Determination of Kc for a Complex Ion Formation tube 2.00e-3 Fe3+ (mL) 2.00E-3M SCN-...
Lab Report: Determination of Kc for a Complex Ion Formation
tube
2.00e-3 Fe3+ (mL)
2.00E-3M SCN- (mL)
water (mL)
initial conc. Fe3+
initial conc. SCN-
1
5.00
5.00
0
1.00e-3M
1.00E-3M
2
5.00
4.00
1.00
1.00E-3M
8.00E-3M
3
5.00
3.00
2.00
1.00E-3,
6.00E-3M
4
5.00
2.00
3.00
1.00E-3M
4.00E-3M
5
5.00
1.00
4.00
1.00E-3M
2.00E-3M
10ml of 0.200M Fe3+, 2.00ml of 0.00200M SCN-, AND 8.00ml of
water results in an eq. [FeSCN2+] IN Standard
Soln.:2.00E-4M
Could you please explain how...
equilibrium help!! What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g)...
equilibrium help!!
What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g) + H2O(g) if at 20 °C the equilibrium molar concentrations are [CO] -0.613, [H2] = 1.839, (CH4) = 0.387, and [H20) - 0.387? Format Β Ι Ο The reaction for the formation of the diamine-silver ion is as follows: Ag (aq) + 2NH3(aq) + Ag(NH3)2(aq) a. Write the equilibrium constant expression for this reaction. for the above b. An experiment was carried out to...
1) Consider the following equilibrium: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq) Initial concentrations: [Fe3+] = 0.590; [SCN-]...
1) Consider the following equilibrium: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq) Initial concentrations: [Fe3+] = 0.590; [SCN-] = 1.239; [FeSCN2+] = 0 The equilibrium concentration of [FeSCN2+]eq = 0.454 M. What is the numerical value of KC for this equilibrium? KC = __________________ 2) Consider the following equilibrium: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq) Initial concentrations: [Fe3+] = 0.370; [SCN-] = 0.777; [FeSCN2+] = 0 The equilibrium concentration of [FeSCN2+]eq = 0.285 M. What is the equilibrium concentration of Fe3+? [Fe3+]eq =...
1. A student mixes 5.00 mL of 2.00 x 10 M Fe(NO3)3 with 5.0 mL of...
1. A student mixes 5.00 mL of 2.00 x 10 M Fe(NO3)3 with 5.0 mL of 2.00 x 10-3 M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN+2 is 1.2 x 104 M. Find the Kc for the reaction of Fe (aq) + SCN (aq) → FeSCN2(aq) using the following steps. a. Find the initial concentration of Fe and SCN. (Use Equation 4). Record the value in the ICE Chart below. b. What is the equilibrium...
please help answer questions for mixture 1 AND mixture 2 thank you! Table 23.1 Test Tube...
please help answer questions for mixture 1 AND mixture 2 thank
you!
Table 23.1 Test Tube Number 1 2 3 4 5 5,00 1.00 5.00 2.00 Volume Fe(NO), solution (ml.) Volume KSCN solution (ml.) Volume H,O (ml.) 5.00 3.00 2.00 5.00 4.00 5.00 5.00 0.00 4.00 3.00 1.00 Mixture 2 3 4 5 Absorbance 0.079 0.165 0.246 0.311 0.400 In order to convert the absorbance values provided below into equilibrium concentrations of FeSCN?, you will need to know the slope...
9. Using the reaction below and mixture 1 volumes, a student mixes Foon with KSON n c equilibrium concentrations at 5.71 x 10 M and 3.71 x10+ M, respectively net absorbance of mixture l at 0.090....
9. Using the reaction below and mixture 1 volumes, a student mixes Foon with KSON n c equilibrium concentrations at 5.71 x 10 M and 3.71 x10+ M, respectively net absorbance of mixture l at 0.090. The calibration curve for the equilibrium reactions,-2635 x+0.014. Using the colormetet, she oin the Fe (aq SCN (aq)FescN (ad) a. Using the calibration curve, where y is equal to the absorbance Lapplying the Beer's Law: Absorbance slope (concentration), calaulate the eauilinium con b. Write...
Canvas +→ COD cuvet Question 11 25 pts A reaction mixture of 4.00 mL of 0.00200...
Canvas +→ COD cuvet Question 11 25 pts A reaction mixture of 4.00 mL of 0.00200 M SCN and 5.00 mL of 0.00200 M Fetis diluted to 10.00 mL with 0.1 MHNO, to form the blood-red FeNCS complex. The equilibrium molar concentration of the FeNCS?determined from a calibration curve, is 1.5 x 10 mol/L. Calculate the equilibrium constant for the reaction shown below. Fe3+ (aq) + SCN-(aq) + FENCS?+ (aq) HINT: Be sure to account for the dilutions of the...
Name:. Date: Lab Section: 4. The blank solution used to calibrate the spectrophotometer is 5.0 mL of 0.2 M Fe(NO)) diluted to 50 mt with H:O Why is this solution preferred to simply using de-ionized water for the calibration? Te celibutoneans ser He astanat os errors-free Te deionized woser alane sho no abtorpton 5. A reaction mixture of 4.00 mL. of 0.00200 M SCN and 5.00 mL of 0.00200 M Fe is uoreangth diluted to 10.00 mL with 0.1 M...
2.) Explain why the concentration of Fe(SCN)2+ is equal to the
intial concentration of the SCN- for each solution in part A?
3.) also!!
thank you!!! :)
Post-Lab Questions: A solution is made by mixing 5.00 ml. of 0.00300 M Fe(NO,)s with 4.00 mL. of 0.00300 M KSCN and 3.00 mL. of 1.0 MHNO,. After equilibrium is established, the concentration Fe(SCN)P was determined to be 2.72 x 10* M. Calculate the value of the equilibrium constant for the reaction. Fe...
The reaction for the formation of the diamine-silver son is as follows: A® LÀ NHÀ ANH Nha La Write the equilibrium constant expression for this reaction b. An experiment was carried out to determine the value of the equilibrium constant for the shove reaction Show ICE table Total moles of Ag present Total Moles of NH, present Measured AgNH,) a equilibrium Total solution Volume 3.6 x 10 moles 6.9 x 10 moles 3.4 x 10- moles 100 ml i Calculate...
Lab Report: Determination of Kc for a Complex Ion Formation
tube
2.00e-3 Fe3+ (mL)
2.00E-3M SCN- (mL)
water (mL)
initial conc. Fe3+
initial conc. SCN-
1
5.00
5.00
0
1.00e-3M
1.00E-3M
2
5.00
4.00
1.00
1.00E-3M
8.00E-3M
3
5.00
3.00
2.00
1.00E-3,
6.00E-3M
4
5.00
2.00
3.00
1.00E-3M
4.00E-3M
5
5.00
1.00
4.00
1.00E-3M
2.00E-3M
10ml of 0.200M Fe3+, 2.00ml of 0.00200M SCN-, AND 8.00ml of
water results in an eq. [FeSCN2+] IN Standard
Soln.:2.00E-4M
Could you please explain how...
equilibrium help!!
What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g) + H2O(g) if at 20 °C the equilibrium molar concentrations are [CO] -0.613, [H2] = 1.839, (CH4) = 0.387, and [H20) - 0.387? Format Β Ι Ο The reaction for the formation of the diamine-silver ion is as follows: Ag (aq) + 2NH3(aq) + Ag(NH3)2(aq) a. Write the equilibrium constant expression for this reaction. for the above b. An experiment was carried out to...
1. A student mixes 5.00 mL of 2.00 x 10 M Fe(NO3)3 with 5.0 mL of 2.00 x 10-3 M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN+2 is 1.2 x 104 M. Find the Kc for the reaction of Fe (aq) + SCN (aq) → FeSCN2(aq) using the following steps. a. Find the initial concentration of Fe and SCN. (Use Equation 4). Record the value in the ICE Chart below. b. What is the equilibrium...
please help answer questions for mixture 1 AND mixture 2 thank
you!
Table 23.1 Test Tube Number 1 2 3 4 5 5,00 1.00 5.00 2.00 Volume Fe(NO), solution (ml.) Volume KSCN solution (ml.) Volume H,O (ml.) 5.00 3.00 2.00 5.00 4.00 5.00 5.00 0.00 4.00 3.00 1.00 Mixture 2 3 4 5 Absorbance 0.079 0.165 0.246 0.311 0.400 In order to convert the absorbance values provided below into equilibrium concentrations of FeSCN?, you will need to know the slope...
9. Using the reaction below and mixture 1 volumes, a student mixes Foon with KSON n c equilibrium concentrations at 5.71 x 10 M and 3.71 x10+ M, respectively net absorbance of mixture l at 0.090. The calibration curve for the equilibrium reactions,-2635 x+0.014. Using the colormetet, she oin the Fe (aq SCN (aq)FescN (ad) a. Using the calibration curve, where y is equal to the absorbance Lapplying the Beer's Law: Absorbance slope (concentration), calaulate the eauilinium con b. Write...
Canvas +→ COD cuvet Question 11 25 pts A reaction mixture of 4.00 mL of 0.00200 M SCN and 5.00 mL of 0.00200 M Fetis diluted to 10.00 mL with 0.1 MHNO, to form the blood-red FeNCS complex. The equilibrium molar concentration of the FeNCS?determined from a calibration curve, is 1.5 x 10 mol/L. Calculate the equilibrium constant for the reaction shown below. Fe3+ (aq) + SCN-(aq) + FENCS?+ (aq) HINT: Be sure to account for the dilutions of the...
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