procedure in Table 4.1. Use the concentration of KSCN, volume of KSCN and total final volume of each solution (each standard solution will be 20.00 mL) to calculate the FeSCN2+ concentration in each of the four standard solutions. Fe³+ (aq) iron(III) + SCN- (aq) thiocyanate FeSCN²+ (aq) thiocyanoiron (III) Reaction 1

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
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Because the limiting reactant in this case will be SCN- (from KSCN), the moles of
SCN- in solution will determine the moles (and concentration) of FeSCN²+ in each
standard solution. Concentrations and volumes are provided in the experiment
procedure in Table 4.1. Use the concentration of KSCN, volume of KSCN and
total final volume of each solution (each standard solution will be 20.00 mL) to calculate
the FeSCN²+ concentration in each of the four standard solutions.
1
Fe³+ (aq)
iron (III)
1. FeSCN²+ concentration in Standard Solution 1 =
234
+
4
SCN- (aq)
thiocyanate
TABLE 4.1. Volumes for the Part A standard solutions for the Beer's Law Plot.
Solution
Volume of
FeSCN²+ (aq)
thiocyanoiron (III)
5.00
5.00
5.00
5.00
Volume of
0.200 M Fe(NO3)3 (ml) 0.00200 M KSCN (mL)
2.00
1.50
1.00
0.50
Reaction 1
Volume of Deionized
Water (mL)
13.00
13.50
14.00
14.50
Continued on next page...
Transcribed Image Text:Because the limiting reactant in this case will be SCN- (from KSCN), the moles of SCN- in solution will determine the moles (and concentration) of FeSCN²+ in each standard solution. Concentrations and volumes are provided in the experiment procedure in Table 4.1. Use the concentration of KSCN, volume of KSCN and total final volume of each solution (each standard solution will be 20.00 mL) to calculate the FeSCN²+ concentration in each of the four standard solutions. 1 Fe³+ (aq) iron (III) 1. FeSCN²+ concentration in Standard Solution 1 = 234 + 4 SCN- (aq) thiocyanate TABLE 4.1. Volumes for the Part A standard solutions for the Beer's Law Plot. Solution Volume of FeSCN²+ (aq) thiocyanoiron (III) 5.00 5.00 5.00 5.00 Volume of 0.200 M Fe(NO3)3 (ml) 0.00200 M KSCN (mL) 2.00 1.50 1.00 0.50 Reaction 1 Volume of Deionized Water (mL) 13.00 13.50 14.00 14.50 Continued on next page...
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