1.CuSO4+NaOH=Cu(OH)+2Na2SO4
2.3СаCl2+2Na3PO4=Ca3(PO4)+6NaCl
3.Al(SO4)3+3Ba(NO2)2=2Al(NO3)3+3BaSO4
4.NaOH+HCl=NaCl+H2O
9 класс.Практическая работа
Пж помогите как можно быстрее​
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