A student prepared an equilibrium system using Fe(NO3)3 and KSCN, which reacted to produce iron(III) thiocyanate by the balanced reaction shown below. Fe3+ + SCN' + FESCN2+ Previously the student prepared a Beer's Law calibration plot of absorbance (y- axis) versus FeSCN2+ (x-axis) and calculated a trendline with the equation of y = 3229x. The student then prepared another equilibrium mixture using the following amounts. 0.00200 M 0.00200 M KSCN 0.1 M HNO3 (mL) Absorbance Fe(NO3)3 (mL) (mL) 6.00 3.00 16.00 0.258 Use the above data to find initial and equilibrium concentrations of each species and use an ICE table to calculate Keg. [ Fe3+ ] initial: [ SCN ] initial: [ FESCN2+ ] initial: [ Fe3+ ] at equilibrium: [ SCN ] at equilibrium: [ FESCN2+ ] at equilibrium: Keg =
A student prepared an equilibrium system using Fe(NO3)3 and KSCN, which reacted to produce iron(III) thiocyanate by the balanced reaction shown below. Fe3+ + SCN' + FESCN2+ Previously the student prepared a Beer's Law calibration plot of absorbance (y- axis) versus FeSCN2+ (x-axis) and calculated a trendline with the equation of y = 3229x. The student then prepared another equilibrium mixture using the following amounts. 0.00200 M 0.00200 M KSCN 0.1 M HNO3 (mL) Absorbance Fe(NO3)3 (mL) (mL) 6.00 3.00 16.00 0.258 Use the above data to find initial and equilibrium concentrations of each species and use an ICE table to calculate Keg. [ Fe3+ ] initial: [ SCN ] initial: [ FESCN2+ ] initial: [ Fe3+ ] at equilibrium: [ SCN ] at equilibrium: [ FESCN2+ ] at equilibrium: Keg =
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![A student prepared an equilibrium system using Fe(NO3)3 and KSCN, which
reacted to produce iron(II) thiocyanate by the balanced reaction shown below.
Fe3+ + SCN" +→ FESCN2+
Previously the student prepared a Beer's Law calibration plot of absorbance (y-
axis) versus FeSCN2+ (x-axis) and calculated a trendline with the equation of y =
3229x. The student then prepared another equilibrium mixture using the
following amounts.
0.00200 M
0.00200 M KSCN
0.1 M HNO3 (mL)
Absorbance
Fe(NO3)3 (mL)
(mL)
6.00
3.00
16.00
0.258
Use the above data to find initial and equilibrium concentrations of each species
and use an ICE table to calculate Keg.
[ Fe3+ ] initial:
[ SCN ] initial:
[ FESCN2+ ] initial:
[ Fe3+ ] at equilibrium:
[ SCN ] at equilibrium:
[ FESCN2+ ] at equilibrium:
Keg
=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f6dcc75-a57d-4e57-89d6-bf3f0e44e7e6%2Fed10d47e-1871-4694-86f1-2587dd805146%2Fjjr60xc_processed.png&w=3840&q=75)
Transcribed Image Text:A student prepared an equilibrium system using Fe(NO3)3 and KSCN, which
reacted to produce iron(II) thiocyanate by the balanced reaction shown below.
Fe3+ + SCN" +→ FESCN2+
Previously the student prepared a Beer's Law calibration plot of absorbance (y-
axis) versus FeSCN2+ (x-axis) and calculated a trendline with the equation of y =
3229x. The student then prepared another equilibrium mixture using the
following amounts.
0.00200 M
0.00200 M KSCN
0.1 M HNO3 (mL)
Absorbance
Fe(NO3)3 (mL)
(mL)
6.00
3.00
16.00
0.258
Use the above data to find initial and equilibrium concentrations of each species
and use an ICE table to calculate Keg.
[ Fe3+ ] initial:
[ SCN ] initial:
[ FESCN2+ ] initial:
[ Fe3+ ] at equilibrium:
[ SCN ] at equilibrium:
[ FESCN2+ ] at equilibrium:
Keg
=
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