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sanechka8811
@sanechka8811
August 2022
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Напишите уравнения реакций, соответствующие следующейпоследовательности превращений:Cu2O - X1 - CuSO4- X2 - CuCl2 - X3 - Cu
2O
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inessa2131
Cu2O+Zn=ZnO+2Cu(а)
Cu+2H2SO4(конц)=CuSO4+SO2+2H2O
CuSO4+2KOH=Cu(OH)2(б)+K2SO4
Cu(OH)2+2HCl=CuCl2+2H2O
CuCl2+Zn=ZnCl2+Cu(в)
4Cu+O2=2Cu2O
4 votes
Thanks 11
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Answers & Comments
Cu+2H2SO4(конц)=CuSO4+SO2+2H2O
CuSO4+2KOH=Cu(OH)2(б)+K2SO4
Cu(OH)2+2HCl=CuCl2+2H2O
CuCl2+Zn=ZnCl2+Cu(в)
4Cu+O2=2Cu2O