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marina150803
@marina150803
July 2022
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Осуществить цепочки превращений:
Na- NaOH- Na2Co3
2)Cu(OH)2 - Cuo - CuCl3
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Answers & Comments
NazarPoirot
1)2Na+2H2O=2NaOH+H2
2NaOH+H2CO3=Na2CO3+2H2O
2)Cu(OH)2=t=CuO+H2O
CuO+2HCl=CuCl2+H2O
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marina150803
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Answers & Comments
2NaOH+H2CO3=Na2CO3+2H2O
2)Cu(OH)2=t=CuO+H2O
CuO+2HCl=CuCl2+H2O