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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 53 times)

Zoey63294

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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


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Marked as best answer by Zoey63294 on Jul 8, 2021

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