Укажите правильный процесс гидролиза соли (NH4)2S + Н20 в сокращенном ионном виде.

 

 

1) Na2S04; NH4N02; ВаС12

2) Na2S04; K2S; BaCl2

3) Fe(N03)2; NH4N02; ВаС12

4) K2S; NH4N02; BaCl2

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