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If 852 G Each of Zinc,potassium Dichromate,and Sulfuric Acid Are Reacted

Question 137

Multiple Choice

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?


A) 1.05 g
B) 2.84 g
C) 7.30 g
D) 4.87 g
E) 3.65 g

Correct Answer:

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