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Balance in acidic solution; HSO4-(aq)+As4(s)+Pb3O4(s)=PbSO4(s)+H2AsO4-(aq)

Balance in acidic solution; HSO4-(aq)+As4(s)+Pb3O4(s)=PbSO4(s)+H2AsO4-(aq)
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Answer #1

HSO4-(aq)+As4(s)+Pb3O4(s)=PbSO4(s)+H2AsO4-(aq)

{ As4(s)+ 16H2O          =         4 H2AsO4-(aq) + 24 H+ + 24 e }

{3 HSO4- (aq)    + Pb3O4(s) + 5 H+ + 2e =    3 PbSO4(s)   + 4 H2O } x 12

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36 HSO4- (aq) + 12 Pb3O4(s) + As4(s)+ + 36 H+ -----------> 4 H2AsO4-(aq) + 36PbSO4(s)+ 32 H2O

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