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Fatali7t
@Fatali7t
July 2022
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Нужна срочная помощь по химии...
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beketowanata20
А) NiCl2 = Ni2+ + 2Cl-
K(-): Ni2+ +2e = Ni
2H2O + 2e = H2 + 2OH-
A(+): 2Cl- - 2e = Cl2
Общее ур-е
NiCl2 + 2H2O = Cl2 + H2 + Ni(OH)2
б) NiCl2 = Ni2+ + 2Cl-
K(-): Ni2+ +2e = Ni
2H2O + 2e = H2 + 2OH-
A(+): Ni + 2e = Ni2+
Общее ур-е писать нет смысла
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Answers & Comments
K(-): Ni2+ +2e = Ni
2H2O + 2e = H2 + 2OH-
A(+): 2Cl- - 2e = Cl2
Общее ур-е
NiCl2 + 2H2O = Cl2 + H2 + Ni(OH)2
б) NiCl2 = Ni2+ + 2Cl-
K(-): Ni2+ +2e = Ni
2H2O + 2e = H2 + 2OH-
A(+): Ni + 2e = Ni2+
Общее ур-е писать нет смысла