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?
A) 13.9 g
B) 3.48 g
C) 46.3 g
D) 6.35 g
E) 11.6 g
Correct Answer:
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