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Author Question: A swimming pool was sufficiently alkaline so that the carbon dioxide absorbed from the air produced ... (Read 140 times)

BRWH

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on: Jul 8, 2021

Question 1

A solution of NaF(aq) is added dropwise to a solution that is 0.0102 mol L-1 in Ba2+(aq). When the concentration of F-(aq) exceeds ________ mol L-1, BaF2(s) will precipitate. Neglect volume changes. For BaF2(s),
◦ 8.6 × 10-5
◦ 1.3 × 10-2
◦ 1.7 × 10-8
◦ 3.3 × 10-3
◦ 1.7 × 10-4

Question 2

A swimming pool was sufficiently alkaline so that the carbon dioxide absorbed from the air produced a solution in the pool that was 2 × 10-4 M in carbonate ion. If the pool originally contained 4 × 10-3 M Mg2+, 6 × 10-4 M Ca2+, and 8 × 10-7 M Fe2+, then the precipitate that was formed consisted of ________.
(Ksp values are: CaCO3, 4.7 × 10-9; MgCO3, 4.0 × 10-5; FeCO3, 2.0 × 10-11)
◦ only MgCO3
◦ only CaCO3
◦ only FeCO3
◦ only CaCO3 and FeCO3
◦ MgCO3, CaCO3, and FeCO3
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by BRWH on Jul 8, 2021

ryhom

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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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BRWH

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Reply 2 on: Jul 8, 2021
Gracias!

CAPTAINAMERICA

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

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