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Author Question: Reactive metals such as iron will reduce arsenic acid (H3AsO4) to the highly poisonous arsine gas ... (Read 126 times)

nenivikky

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on: Jul 8, 2021

Question 1

Most water-soluble compounds of Group 1A or 2A elements are:
◦ strong electrolytes
◦ strong acids
◦ weak electrolytes
◦ weak acids
◦ nonelectrolytes

Question 2

Reactive metals such as iron will reduce arsenic acid (H3AsO4) to the highly poisonous arsine gas (AsH3) in the presence of acid. What mass of iron would be required for such a reaction with 250 mL of 0.90 M arsenic acid, assuming that the iron is oxidized to Fe3+?

3 H3AsO4 + 8 Fe + 24 H+ → 3 AsH3 + 12 H2O + 8 Fe3+

◦ 45 g
◦ 38 g
◦ 34 g
◦ 21 g
◦ 13 g
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by nenivikky on Jul 8, 2021

CharlieArnold

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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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nenivikky

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Reply 2 on: Jul 8, 2021
Excellent

lindahyatt42

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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