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Question
Complete and balance the chemical equation:
\[\ce{K2Cr2O7 + H2SO4 + KI →}\] _____ + _____ + _____ + _____.
Solution
\[\ce{K2Cr2O7 + 7H2SO4 + 6KI → 4K2SO4 + Cr2(SO4)3 + 3I2 + 7H2O}\]
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