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Author Question: When a mixture containing cations of Analytical Groups IIII is treated with H2S in acidic solution, ... (Read 94 times)

Pea0909berry

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on: Mar 21, 2021

Question 1

What is the molar solubility of lead(II) chromate in 0.074 M Na2S2O3? For PbCrO4, Ksp = 2.0 × 10–16; for Pb(S2O3)34–, Kf = 2.2 × 106.

◦ 4.2 × 10–7M
◦ 5.7 × 10–6M
◦ 4.4 × 10–10M
◦ 9.6 × 102M
◦ 4.1 × 10–4M

Question 2

When a mixture containing cations of Analytical Groups I–III is treated with H2S in acidic solution, which cations are expected to precipitate?

◦ Analytical Group I only
◦ Analytical Group II only
◦ Analytical Group III only
◦ Analytical Groups I and II
◦ Analytical Groups II and III
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by Pea0909berry on Mar 21, 2021

ryrychapman11

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Reply #1 on: Mar 21, 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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Pea0909berry

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Reply 2 on: Mar 21, 2021
Excellent

xoxo123

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

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