A student mixes 4.00 mL of 2.00 x 10-3 M Fe(NO3)3, 4.00 mL of 2.00 x 10-3 M KSCN,and 2.00 mL of 1.40 x 10-4 M FeSCN2+.a. Calculate the initial concentrations of ions. b. Determine if the equilibrium will shift towards the product or the reactants.c. Using your experimental Kc value, calculate the equilibrium concentrations of Fe3+,SCN-, and FeSCN2+. Procedure steps:# 27# 27# 28# 29# 29# 30# 31# 32Table 5- Unknown Concentration AnswersUnk #30-001Unk #10.0010.00020-10064-38 X 10-8 9-51x10-1-28 X 10-42-10 X10 2-09 X10-99.56 X109.05 x 104 8-72 X10-4 7-90 X10-9 7-91 x 10-41-86x104 3.05 x 10-9 4.72 x 10-4 5-90x/04 7-9/X10-9Ke2-93x10²3.45 X1023-11 X 10²4.50x 10²3-34X10²K. Discarded by Q-test (if any)Average Ke347[Fe3+] initial[SCN] initial[FeSCN²*] equilib[Fe³+] equilib[SCN-] equilibUnk #20-0010.0004Kc Std DevUnk #48-0010.0008Unk #5√5.0

a. To find out the initial concentration of each of the ion present in a solution obtained by mixing…

Answered: A student mixes 4.00 mL of 2.00 x 10-3…

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 mixes 4.00 mL of 2.00 x 10-3 M Fe(NO3)3, 4.00 mL of 2.00 x 10-3 M KSCN,
and 2.00 mL of 1.40 x 10-4 M FeSCN2+.
a. Calculate the initial concentrations of ions.
b. Determine if the equilibrium will shift towards the product or the reactants.
c. Using your experimental Kc value, calculate the equilibrium concentrations of Fe3+,
SCN-, and FeSCN2+.

Procedure steps:
# 27
# 27
# 28
# 29
# 29
# 30
# 31
# 32
Table 5- Unknown Concentration Answers
Unk #3
0-001
Unk #1
0.001
0.0002
0-1006
4-38 X 10-8 9-51x10-1-28 X 10-4
2-10 X10 2-09 X10-9
9.56 X10
9.05 x 104 8-72 X10-4 7-90 X10-9 7-91 x 10-4
1-86x104 3.05 x 10-9 4.72 x 10-4 5-90x/04 7-9/X10-9
Ke
2-93x10²
3.45 X1023-11 X 10²
4.50x 10²3-34X10²
K. Discarded by Q-test (if any)
Average Ke
347
[Fe3+] initial
[SCN] initial
[FeSCN²*] equilib
[Fe³+] equilib
[SCN-] equilib
Unk #2
0-001
0.0004
Kc Std Dev
Unk #4
8-001
0.0008
Unk #5
√5.0

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