64. Solving a chemistry problem

64. Solving a chemistry problem

105. Based on the electronic equations, arrange the coefficients in the equation for the reaction going according to the scheme
Na2SO3 H2O KMnO4 → KOH Na2SO4 MnO2
Make electronic equations and indicate which process - oxidation or reduction occurs:
S2- → S0, As3- →As5 , N3 → N3-

Additional information:

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