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stAlkur4
@stAlkur4
July 2022
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Составьте уравнение реакций цепочки превращений 1.Zn→Zn(NO3)2→Zn(OH)2
2. Cu→CuCl→Cu(OH)2
3.Fe→FeCl2→Fe(OH)2
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allahakobyan20
1)Zn+2HNO3=Zn(NO3)2+H2
Zn(NO3)2+2NaOH=2NaNO3+Zn(OH)2
2)Cu+2AgCl=CuCl2+2Ag
CuCl+Ba(OH)2=BaCl2+Cu(OH)2
3)Fe+CuCl2=FeCl2+Cu
FeCl2+2NaOH=2NaCl+Fe(OH)2
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Answers & Comments
Zn(NO3)2+2NaOH=2NaNO3+Zn(OH)2
2)Cu+2AgCl=CuCl2+2Ag
CuCl+Ba(OH)2=BaCl2+Cu(OH)2
3)Fe+CuCl2=FeCl2+Cu
FeCl2+2NaOH=2NaCl+Fe(OH)2