Ответ:
3.
1)3NaOH+FeCl3=Fe(OH)3+3NaCl
2)FeS+HCl=FeCl+H2S
3)3Zn+2H3PO4=Zn3(PO4)2 +H2
4)Cu(OH)2=CuO+H2O
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Answers & Comments
Ответ:
3.
1)3NaOH+FeCl3=Fe(OH)3+3NaCl
2)FeS+HCl=FeCl+H2S
3)3Zn+2H3PO4=Zn3(PO4)2 +H2
4)Cu(OH)2=CuO+H2O