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Na s ответ. Na2s kmno4 h2o. H2so4 + kmno4 + na2s = h2o + k2so4 + s + na2so4 + mnso4. Na2s+kmno4+h2o ОВР. Na2s+kmno4+h2o s+mno2+NAOH+Koh.
Na2s kmno4 h2o. H2so4 + kmno4 + na2s = h2o + k2so4 + s + na2so4 + mnso4. Na2s+kmno4+h2o ОВР. Na2s+kmno4+h2o s+mno2+NAOH+Koh.

See also