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Author Question: A 0.411 g sample of powdered copper mixed with an inert, soluble additive was fully consumed by 23.4 ... (Read 137 times)

Charlie

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on: Jul 8, 2021
A 0.411 g sample of powdered copper mixed with an inert, soluble additive was fully consumed by 23.4 mL of 0.602 M nitric acid, producing copper(II) nitrate, water, and nitric oxide (NO) gas. What was the percent copper (by mass) in the sample?

3 Cu + 8 HNO3 → 3 Cu(NO3)2 + 2 NO + 4 H2O

◦ 81.7%
◦ 68.3%
◦ 65.3%
◦ 56.9%
◦ 34.4%
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by Charlie on Jul 8, 2021

dawsa925

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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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Charlie

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Reply 2 on: Jul 8, 2021
:D TYSM

mjenn52

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Reply 3 on: Yesterday
Excellent

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