Автор - СобакаПёс

Уравнять и дописать:

KMnO4 + H2SO4 + HCOOH =

K2Cr2O7 + H2SO4 + CH3COH =

K2Cr2O7 + H2SO4 + C2H5OH =

K2Cr2O7 + H2O + HCOOH =

Ответ

Автор - istar501

1.

5HCOOH+2KMnO4+3H2SO4=K2SO4+2MnSO4+8H2O+5CO2

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