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AshotPogosyan
@AshotPogosyan
July 2022
1
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Срочно нужна ваша помощь!!! 20 баллов.
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UlugbekRakhimov
2Cu + O2= CuO
CuO+ 2HNO3= Cu(NO3)2 + 2H2O
Cu(NO3)2 + 2KOH= Cu(OH)2 + 2KNO3
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
CuSO4 + Fe = FeSO4 + Cu
2S + 3O2 = 2SO3
SO3 + H2O= H2SO4
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
CuSO4 + Fe = FeSO4 + Cu
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Answers & Comments
CuO+ 2HNO3= Cu(NO3)2 + 2H2O
Cu(NO3)2 + 2KOH= Cu(OH)2 + 2KNO3
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
CuSO4 + Fe = FeSO4 + Cu
2S + 3O2 = 2SO3
SO3 + H2O= H2SO4
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
CuSO4 + Fe = FeSO4 + Cu