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matyakubova09
@matyakubova09
September 2021
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Осуществить превращени:
Помогите, пожалуйста.
1 2 4
Cu→CuO→CuCl2→Cu(NO3)2
↓3
Cu(OH)2
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kovalskynemesis
Verified answer
1) 2Cu+O2=2CuO
2)CuO+2HCl=CuCl2+H2O
3)СuCl₂ + 2AgNO₃ = Cu(NO₃)₂ + 2AgCl↓
4)CuCl2+2KOH=Cu(OH)2+2HCl
1 votes
Thanks 1
dec77cat
2Cu + O₂ = 2CuO
CuO + 2HCl = CuCl₂ + H₂O
CuCl₂ + Hg₂(NO₃)₂ = Cu(NO₃)₂ + Hg₂Cl₂↓
Cu(NO₃)₂ + 2KOH = Cu(OH)₂ + 2KNO₃
1 votes
Thanks 0
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Answers & Comments
Verified answer
1) 2Cu+O2=2CuO2)CuO+2HCl=CuCl2+H2O
3)СuCl₂ + 2AgNO₃ = Cu(NO₃)₂ + 2AgCl↓
4)CuCl2+2KOH=Cu(OH)2+2HCl
CuO + 2HCl = CuCl₂ + H₂O
CuCl₂ + Hg₂(NO₃)₂ = Cu(NO₃)₂ + Hg₂Cl₂↓
Cu(NO₃)₂ + 2KOH = Cu(OH)₂ + 2KNO₃