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Author Question: The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO3)2are mixed with ... (Read 28 times)

Beheh

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on: Mar 21, 2021

Question 1

The correct mathematical expression for finding the molar solubility (s) of Sn(OH)2 is:

◦ 2s2 = Ksp

◦ 2s3 = Ksp

◦ 108s5 = Ksp

◦ 4s3 = Ksp

◦ 8s3 = Ksp


Question 2

The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO3)2are mixed with 1.0 L of 1.0 M Na2C2O4. The oxalate ion, C2O4, acts as a ligand to form a complex ion with the Mn2+ion with a coordination number of two.

 

What is the equilibrium constant for the following formation?

Mn2++ 2C2O42–

[Mn(C2O4)2]2–

 
Mn2+ + C2O42– MnC2O4
 
K1 = 7.9 × 103
 
[Mn(C2O4)2]2– MnC2O4 + C2O42–
 
K2 = 1.26 × 10–2
 
Reference: Ref 16-2

​

​


◦ 1.0
◦ 3.7 × 102
◦ 2.1 × 10–1
◦ 6.3 × 105
◦ None of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by Beheh on Mar 21, 2021

kjohnson

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Reply #1 on: Mar 21, 2021
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Beheh

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Reply 2 on: Mar 21, 2021
Thanks for the timely response, appreciate it

Perkypinki

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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