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Author Question: An aqueous solution of boric acid can be represented by the equilibrium system: B(OH)3(aq) + 2 ... (Read 52 times)

j.rubin

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on: Jul 8, 2021

Question 1

An analysis of a Solvay plant show that for every 4.30 tons of NaCl consumed, 4.75 tons of NaHCO3 is obtained. What is the % efficiency of this process for converting NaCl to NaHCO3?
◦ 76.8%
◦ 61.8%
◦ 63.0%
◦ 158%
◦ 90.5%

Question 2

An aqueous solution of boric acid can be represented by the equilibrium system:

B(OH)3(aq) + 2 H2O(l) H3O+(aq) + B(OH)4-(aq) (Ka = 5.6 × 10-10)

What is the pH of an eyewash solution which is 0.0018 M in boric acid?
◦ 3.75
◦ 4.75
◦ 6.00
◦ 7.49
◦ 9.25
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by j.rubin on Jul 8, 2021

Madisongo23

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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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j.rubin

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Reply 2 on: Jul 8, 2021
Excellent

bassamabas

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Reply 3 on: Yesterday
Wow, this really help

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