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Author Question: What is the maximum concentration of carbonate ions that will precipitate BaCO3 but not MgCO3 from a ... (Read 54 times)

future617RT

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on: Mar 21, 2021

Question 1

What is the concentration of the Cd2+ion in a 0.035 M Cd(NO3)2solution that is also 1.0 M NH3? At this temperature, Kffor Cd(NH3)42+= 1.0 107.

◦ 3.5 10–9M
◦ 6.4 10–9M
◦ 3.5 10–30M
◦ 1.0 10–7M
◦ None of these are correct.

Question 2

What is the maximum concentration of carbonate ions that will precipitate BaCO3 but not MgCO3 from a solution that is 3.5 10–3M each in Mg2+ and Ba2+? For MgCO3, Ksp = 1.0 × 10–15 and for BaCO3, Ksp = 2.6 × 10–9.

◦ 2.9 × 10–13M
◦ 7.4 × 10–7M
◦ 3.2 × 10–8M
◦ 5.1 × 10–5M
◦ None of these are correct; MgCO3will always precipitate before BaCO3.
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Marked as best answer by future617RT on Mar 21, 2021

nicoleclaire22

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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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future617RT

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

bdobbins

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Reply 3 on: Yesterday
Excellent

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