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Author Question: Barium hydroxide is slightly soluble in water, with a Ksp of 5.00 10-4 at 298K. The dissolution of ... (Read 127 times)

leo leo

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on: Feb 15, 2020

Question 1

Which of the following reactions are not consistent with the concept of acid base amphoterism?
◦ Al(OH)3(s) ⇌ Al3+(aq) + 3 OH-(aq)
◦ Al(OH)3(s) + OH-(aq) → Al(OH)4-(aq)
◦ Al(OH)3(s) + 3 H3O+(aq) → Al3+(aq) + 6 H2O(l)
◦ H2O(l) + H2O(l) ⇌ H3O+(aq) + OH-(aq)

Question 2

Barium hydroxide is slightly soluble in water, with a Ksp of 5.00 × 10-4 at 298K. The dissolution of barium hydroxide in water is an endothermic process.

Ba+2 (aq) + 2OH- (aq)


Which of the following will increase the solubility?
◦ Sodium hydroxide (NaOH) is added to the solution.
◦ Barium hydroxide is added to the solution.
◦ The temperature is decreased.
◦ HCl is added to the mixture.  (HCl reacts with OH-, removing it from the system.)
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by leo leo on Feb 15, 2020

voltaire123

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Reply #1 on: Feb 15, 2020
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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leo leo

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Reply 2 on: Feb 15, 2020
Excellent

kusterl

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

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