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Author Question: If 8.52 g each of zinc, potassium dichromate, and sulfuric acid are reacted by the reaction: 4 Zn + ... (Read 145 times)

Zoey63294

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on: Jul 8, 2021

Question 1

If 8.52 g each of zinc, potassium dichromate, and sulfuric acid are reacted by the reaction:

4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O

how many grams of potassium dichromate will be left unreacted?
◦ 1.05 g
◦ 2.84 g
◦ 7.30 g
◦ 4.87 g
◦ 3.65 g

Question 2

If 8.52 g each of zinc, potassium dichromate, and sulfuric acid are reacted by the reaction:

4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O

How many grams of zinc will be left unreacted?
◦ 0.94 g
◦ 3.65 g
◦ 5.27 g
◦ 1.89 g
◦ 3.25 g
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by Zoey63294 on Jul 8, 2021

Expo

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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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Nolan McNeil

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Reply #2 on: Oct 21, 2021
Thank you!
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