запишите уравнения реакций в молекулярном, ионном и сокращенном ионном виде:

1.Pb[NO3]2 + NaCl

2.Na2CO3 + H2SO4

3.KOH + HNO3

4.CuSO4 + 2NAOH

5.KCl4 + AgNO3

 

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