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alena253
@alena253
July 2022
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HNO3 - Cu(NO3)2 - NO2 - KNO2 - KNO3 - HNO3
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afdima2009
K2CO3 + 2HNO3 --> 2KNO3 + CO2 + H2O2KNO3 --> 2KNO2 + O2
KNO2 + H2O2 --> KNO3 + H2O
KNO3 + HCl --> KCl + HNO3
4HNO3 + Сu --> Cu(NO3)2 + NO2 + 2H2O
3 votes
Thanks 8
LuckyGirl0
2HNO3+CuO=Cu(NO3)2+2H2O
Cu(NO3)2= 2CuO+4NO2+O2
NO2+K=KNO2
2KNO2+O2=2KNO3
KNO3+H2SO4(конц)=HNO3+KHSO4
6 votes
Thanks 13
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Answers & Comments
KNO3 + HCl --> KCl + HNO3
4HNO3 + Сu --> Cu(NO3)2 + NO2 + 2H2O
Cu(NO3)2= 2CuO+4NO2+O2
NO2+K=KNO2
2KNO2+O2=2KNO3
KNO3+H2SO4(конц)=HNO3+KHSO4