Ответ:
2KOH+H2CO3→K2CO3+2H2O
2NaOH+H2SiO3→Na2SiO3+2H2O
Cu(OH)2+2HNO3→Cu(NO3)2+2H2O
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Ответ:
2KOH+H2CO3→K2CO3+2H2O
2NaOH+H2SiO3→Na2SiO3+2H2O
Cu(OH)2+2HNO3→Cu(NO3)2+2H2O