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

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