Выберите реакции ионного обмена, протекающие до конца.


1.Zn(NO3)3 + 2LiOH → 2LiNO3 + Zn(OH)2


2.H3PO4 + 3NaOH → Na3PO4 + 3H2O


3.CuS + 2HCl → H2S + CuCl2


4.H2SO4 + MgCl2 → MgSO4 + 2HCl


5.Ba(OH)2 + K2S → BaS + 2KOH​
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