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Question
Complete and balance the following chemical equation:
\[\ce{Cr2O^{2-}7 + H2S + H+ ->}\]
Chemical Equations/Structures
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Solution
\[\ce{Cr2O^{2-}7 + 3 H2S + 8 H+ -> 2 Cr^{3+} + 3 S + 7 H2O}\]
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