Table 15.3 Composition of solutions for the determination of Kc 0.00200 M Fe(NO3)3 (in 0.1 M HNO3) 0.00200 M NaSCN (in 0.1 M HNO3) Solution 0.1 M HNO3 Blank 5.00 mL 0.00 mL 5.00 mL 1 5.00 mL 1.00 mL 4.00 mL 2 5.00 mL 2.00 mL 3.00 mL 3 5.00 mL 3.00 mL 2.00 mL 5.00 mL 4.00 mL 1.00 mL 5.00 mL 5.00 mL 0.00 mL

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Chapter9: Acids, Bases, And Salts
Section: Chapter Questions
Problem 9.145E
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You did not allow enough time for the solution to reach equilibrium before measuring its absorbance. Explain how this will affect the reported value of Kc. 

Table 15.3 Composition of solutions for the determination of Kc
0.00200 M Fe(NO3)3
(in 0.1 M HNO3)
0.00200 M NaSCN
(in 0.1 M HNO3)
Solution
0.1 M HNO3
Blank
5.00 mL
0.00 mL
5.00 mL
1
5.00 mL
1.00 mL
4.00 mL
2
5.00 mL
2.00 mL
3.00 mL
3
5.00 mL
3.00 mL
2.00 mL
5.00 mL
4.00 mL
1.00 mL
5.00 mL
5.00 mL
0.00 mL
Transcribed Image Text:Table 15.3 Composition of solutions for the determination of Kc 0.00200 M Fe(NO3)3 (in 0.1 M HNO3) 0.00200 M NaSCN (in 0.1 M HNO3) Solution 0.1 M HNO3 Blank 5.00 mL 0.00 mL 5.00 mL 1 5.00 mL 1.00 mL 4.00 mL 2 5.00 mL 2.00 mL 3.00 mL 3 5.00 mL 3.00 mL 2.00 mL 5.00 mL 4.00 mL 1.00 mL 5.00 mL 5.00 mL 0.00 mL
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