Составьте уравнения окислительно-восстановительных
реакций:
а) NaN02 + KMn04 + H2S04 -*?...
б) NaN02 + KMn04 + КОН -* ...
в) NaN02 + KMn04 + Н20 -* ...
г) Na2S03 + Na2Cr2C>7 + H2S04 -*?...
д) Pb02 + НС1 -*? РЬС12 + ...
е) FeS04 + KMn04 +... -* MnS04 +...
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