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When the Following Equation Is Completed and Balanced for the Reaction

Question 113

Multiple Choice

When the following equation is completed and balanced for the reaction in acidic aqueous solution,what is the proper coefficient for H+?
Zn(s) + Cr2O72- (aq) → Zn2+ (aq) + Cr2+ (aq)


A) 22
B) 18
C) 14
D) 11
E) 7

Correct Answer:

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