The source of Fe³+ ions in this lab was 0.00200 M Fe(NO3)3 and the source of SCN ions was 0.00200 M KSCN. The following reaction mixtures were prepared using those solutions. The last column in this table lists the equilibrium [FeSCN]²+ concentration determined for each solution. Beaker 0.00200 M KSCN (mL) 0.00200 M Conc. of [FeSCN]²+ Fe(NO3)3 (mL) at Equilibrium (M)

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Chapter16: Acid-base Equilibria
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Problem 16.153QP: What is the freezing point of 0.92 M aqueous acetic acid? The density of this solution is 1.008...
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> Question 5
What is the value of K for Beaker 1?
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Transcribed Image Text:> Question 5 What is the value of K for Beaker 1? 0 pts
The source of Fe³+ ions in this lab was 0.00200 M Fe(NO3)3
and the source of SCN ions was 0.00200 M KSCN. The
following reaction mixtures were prepared using those
solutions. The last column in this table lists the equilibrium
[FeSCN]2+ concentration determined for each solution.
Beaker
1
2
3
4
5
0.00200 M 0.00200 M Conc. of [FeSCN]²+
KSCN (mL) Fe(NO3)3 (mL) at Equilibrium (M)
2.00
2.50
4.00
4.00
4.00
4.00
4.00
1.50
2.00
2.50
8.06 x 10-5
8.55 × 10-5
7.11 × 10-5
7.97 x 10-5
8.47 x 10-5
Transcribed Image Text:The source of Fe³+ ions in this lab was 0.00200 M Fe(NO3)3 and the source of SCN ions was 0.00200 M KSCN. The following reaction mixtures were prepared using those solutions. The last column in this table lists the equilibrium [FeSCN]2+ concentration determined for each solution. Beaker 1 2 3 4 5 0.00200 M 0.00200 M Conc. of [FeSCN]²+ KSCN (mL) Fe(NO3)3 (mL) at Equilibrium (M) 2.00 2.50 4.00 4.00 4.00 4.00 4.00 1.50 2.00 2.50 8.06 x 10-5 8.55 × 10-5 7.11 × 10-5 7.97 x 10-5 8.47 x 10-5
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