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mashunja0trofimchuk
@mashunja0trofimchuk
August 2022
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Напишіть рівняння реакцій:
1) Na2CO3+HNO3-
2) CuSO4+Fe-
3) FeCl2+KOH-
4) Zn(NO3)2+NaS-
5) FeCl2+Zn-
6) BaCl2+H2SO4-
7) CuSO4+KOH-
8) Na2CO3+CaCl2-
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Answers & Comments
levvika
1) Na2CO3+HNO3 = H2O+CO2+NaNO3
2) CuSO4+Fe = FeSO4 + Cu
3) FeCl2+KOH = Fe(OH)2 + KCl
4) Zn(NO3)2+Na2S = ZnS+2NaNO3
5) FeCl2+Zn =
ZnCl2 + Fe
6) BaCl2+H2SO4 = BaSO4+2HCl
7) CuSO4+KOH = Cu(OH)2 + K2SO4
8) Na2CO3+CaCl2 =
CaCO3 + 2NaCl
Возможно так, не могу быть уверена
2 votes
Thanks 2
linka32muss
3) FeCl2+2KOH=Fe(OH)2+KCl
linka32muss
7)CuSO4+2KOH=Cu(OH)2+K2SO4
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Answers & Comments
2) CuSO4+Fe = FeSO4 + Cu
3) FeCl2+KOH = Fe(OH)2 + KCl
4) Zn(NO3)2+Na2S = ZnS+2NaNO3
5) FeCl2+Zn = ZnCl2 + Fe
6) BaCl2+H2SO4 = BaSO4+2HCl
7) CuSO4+KOH = Cu(OH)2 + K2SO4
8) Na2CO3+CaCl2 = CaCO3 + 2NaCl
Возможно так, не могу быть уверена