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Author Question: A solution contains 0.036 mol L-1 Cu2+ and 0.044 mol L-1 Fe2+. A solution containing sulfide ions is ... (Read 95 times)

mrsjacobs44

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on: Nov 18, 2019
A solution contains 0.036 mol L-1 Cu2+ and 0.044 mol L-1 Fe2+. A solution containing sulfide ions is added to selectively precipitate one of the metal ions from solution. At what concentration of sulfide ion will a precipitate begin to form? What is the identity of the precipitate? Ksp(CuS) = 1.3 × 10-36, Ksp(FeS) = 6.3 × 10-18.
◦ 1.4 × 10-16 mol L-1, FeS
◦ 3.6 × 10-35 mol L-1, FeS
◦ 3.6 × 10-35 mol L-1, CuS
◦ 1.4 × 10-16 mol L-1, CuS
◦ 1.4 × 10-16 mol L-1, both CuS and FeS will precipitate
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Marked as best answer by mrsjacobs44 on Nov 18, 2019

katara

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Reply #1 on: Nov 18, 2019
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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mrsjacobs44

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Reply 2 on: Nov 18, 2019
Gracias!

Viet Thy

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Reply 3 on: Yesterday
Excellent

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