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Author Question: In the reaction: 4 Zn + K2Cr2O7 + 7 H2SO4 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O, if the extent of ... (Read 42 times)

fox

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Question 1

In the reaction: 4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O, if 25.4 g of zinc sulfate is to be made, how many grams of potassium dichromate is required?
◦ 13.9 g
◦ 3.48 g
◦ 46.3 g
◦ 6.35 g
◦ 11.6 g

Question 2

In the reaction: 4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O, if the extent of reaction, x, is 0.0393, how many grams of potassium dichromate is required?
◦ 13.9 g
◦ 3.48 g
◦ 46.3 g
◦ 6.35 g
◦ 11.6 g


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Marked as best answer by fox on Jul 8, 2021

olderstudent

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fox

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Reply 2 on: Jul 8, 2021
Excellent


tkempin

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

 

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