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Question
Balance the following chemical reaction.
\[\ce{K2Cr2O7 + H2SO4 + H2S -> K2SO4 + Cr2(SO4)3 + H2O + 3S}\]
Chemical Equations/Structures
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Solution
\[\ce{\underset{Orange}{K2Cr2O7} + 4H2SO4 + 3H2S -> K2SO4 + \underset{Green}{Cr2(SO4)3} + 7H2O + \underset{Pale yellow}{3S}}\]
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