In the Reaction: 4 Zn + K₂Cr₂O₇ + 7 H₂SO₄→

question 17

Multiple Choice

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

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