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Author Question: What is the concentration of free Zn2+(aq) if 0.020 M Zn2+ solution is mixed with an equal volume of ... (Read 57 times)

WWatsford

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on: Jul 8, 2021

Question 1

What is the concentration of Ca2+ in ppm (mg/L) in cave water saturated with calcite (calcium carbonate, Ksp = 4.7 × 10-9)?
◦ 7.5 ppm
◦ 6.9 ppm
◦ 5.0 ppm
◦ 3.8 ppm
◦ 2.7 ppm

Question 2

What is the concentration of free Zn2+(aq) if 0.020 M Zn2+ solution is mixed with an equal volume of 2.0 M NH3(aq)? Kf for [Zn(NH3)4]2+ is 4.1 × 108.
◦ 2.5 × 10-11 M
◦ 2.9 × 10-11 M
◦ 1.7 × 10-10 M
◦ 9.6 × 10-11 M
◦ 2.4 × 10-9 M
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by WWatsford on Jul 8, 2021

matt95

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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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WWatsford

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

anyusername12131

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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