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Author Question: Acetylene gas may be produced by carefully adding water to calcium carbide, according to the ... (Read 49 times)

tiffannnnyyyyyy

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on: Jul 8, 2021
Acetylene gas may be produced by carefully adding water to calcium carbide, according to the equation:

CaC2(s) + 2 H2O(l) → Ca(OH)2(s) + C2H2(g)

When a 37 g sample of an impure calcium carbide was treated with excess water, 13 g of acetylene gas was produced. If the reaction is essentially 100% efficient, what was the percentage of nonreacting impurity in the carbide sample?
◦ 86%
◦ 58%
◦ 42%
◦ 35%
◦ 13.5%
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by tiffannnnyyyyyy on Jul 8, 2021

Anton

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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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tiffannnnyyyyyy

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Reply 2 on: Jul 8, 2021
Excellent

alexanderhamilton

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Reply 3 on: Yesterday
Gracias!

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