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Hg^{2+}S^{6+}O_{4}^{2-} + S ^{4+} O_{2} ^{2-} +2H_{2} ^{+}O^{2-} " alt="Hg^{0} +2H_{2} ^{+} S ^{6+} O_{4} ^{2-} ->Hg^{2+}S^{6+}O_{4}^{2-} + S ^{4+} O_{2} ^{2-} +2H_{2} ^{+}O^{2-} " align="absmiddle" class="latex-formula">
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Hg^{2+} " alt="Hg^{0} -2e->Hg^{2+} " align="absmiddle" class="latex-formula"> |окисление, восстановитель
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S ^{4+} " alt="S ^{6+} +2e->S ^{4+} " align="absmiddle" class="latex-formula"> |восстановление, окислитель