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Author Question: What is the approximate concentration of free Cu2+(aq) remaining at equilibrium in a solution ... (Read 33 times)

RYAN BANYAN

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on: Jul 8, 2021

Question 1

Using the stepwise formation constants given, calculate the net formation constant for the [Cu(H2NCH2CH2NH2)2]2+ complex.

Cu2+ + en→ [Cu(en)]2+K1 = 5.2 × 1010
 [Cu(en)]2+ + en → [Cu(en)2]2+K2 = 2.0 × 109

◦ 2.6 × 101
◦ 2.5 × 109
◦ 5.4 × 1010
◦ 7.9 × 1019
◦ 1.0 × 1020

Question 2

What is the approximate concentration of free Cu2+(aq) remaining at equilibrium in a solution prepared by mixing 5.0 mL of 0.10 M CuCl2(aq) with 5.0 mL of 2.0 M aqueous ethylenediamine? [The net formation constant for the bis(ethylenediaminecopper(II) ion is 1 × 1020.]
◦ 9 × 10-22 M
◦ 7 × 10-22 M
◦ 2 × 10-22 M
◦ 1 × 10-21 M
◦ 6 × 10-22 M
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by RYAN BANYAN on Jul 8, 2021

ergserg

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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RYAN BANYAN

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Reply 2 on: Jul 8, 2021
Excellent

mochi09

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

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