What is the balanced redox equation for the reaction of SO 4 2- with Cr 2 + to g

Question

What is the balanced redox equation for the reaction of SO42- with Cr2+ to give H2S and Cr3+ in acidic solution? possible answers but pleas show work and explain: SO42- + 4Cr2+ + 8H+ ? H2S + 4Cr3+ + 4H2O SO42- + 8Cr2+ + 8H+ ? H2S + 8Cr3+ + 4H2O SO42-+ 8Cr2+ ? H2S + 8Cr3+ SO42- + 8Cr2+ + 10H+ ? H2S + 8Cr3+ + 4H2O What is the balanced redox equation for the reaction of SO42- with Cr2+ to give H2S and Cr3+ in acidic solution? What is the balanced redox equation for the reaction of SO42- with Cr2+ to give H2S and Cr3+ in acidic solution? SO42- + 4Cr2+ + 8H+ ? H2S + 4Cr3+ + 4H2O SO42- + 8Cr2+ + 8H+ ? H2S + 8Cr3+ + 4H2O SO42-+ 8Cr2+ ? H2S + 8Cr3+ SO42- + 8Cr2+ + 10H+ ? H2S + 8Cr3+ + 4H2O SO42- + 4Cr2+ + 8H+ ? H2S + 4Cr3+ + 4H2O SO42- + 8Cr2+ + 8H+ ? H2S + 8Cr3+ + 4H2O SO42-+ 8Cr2+ ? H2S + 8Cr3+ SO42- + 8Cr2+ + 10H+ ? H2S + 8Cr3+ + 4H2O SO42- + 4Cr2+ + 8H+ ? H2S + 4Cr3+ + 4H2O SO42- + 8Cr2+ + 8H+ ? H2S + 8Cr3+ + 4H2O SO42-+ 8Cr2+ ? H2S + 8Cr3+ SO42- + 8Cr2+ + 10H+ ? H2S + 8Cr3+ + 4H2O

Explanation / Answer

SO42- + 8Cr2+ + 10H+ ? H2S + 8Cr3+ + 4H2O SO42- + 8Cr2+ + 10H+ ? H2S + 8Cr3+ + 4H2O

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