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Question
Complete and balance the chemical equations:
K2Cr2O7 + H2SO4 + FeSO4 → _____ + _____ + _____ + _____
Solution
K2Cr2O7 + 7H2SO4 + 6FeSO4 → 4K2SO4 + Cr2(SO4)3 + 3I2 + 7H2O.
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