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andreyishp
@andreyishp
July 2022
1
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Напишите уравнения в ионном виде полной и краткой форме:
1)2Al+3H2SO4=AL2(SO4)3+3H2
2)Fe+H2SO4=FeSO4+H2
3)Zn+H2SO4=ZnSO4+H2
4)Mg+H2SO4=MgSO4+H2
5)Ni+2H2SO4=NiSO4+SO2+2H2O
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Кадра
1)3H2SO4 + 2Al = 3H2 + Al2(SO4)3
6H(+) + 3SO4(2-) + 2Al = 3H2 + 2Al(3+) + 3SO4(2-)
6H(+) + 2 Al = 3H2 + 2Al(3+)
2)
Fe + H2SO4 ==FeSO4 +Н2
Fe + 2H(+)+SO4 (2-)=Fe(2+)+SO4(2-) +Н2
Fe + 2H(+)==Fe(2+)+Н2
3)
Zn+H2SO4=Znso4+H2
Zn+2H(+) + SO4(-2)=Zn(+2)+SO4(-2)+2H
Zn+2H(+)=Zn(+2)+2H
4)Mg+H2SO4=MgSO4 +H2
Mg +2H(+)+SO4(2-)=Mg(2+)+SO4(2-)+H2
CuO+H2SO4=CuSO4+H2O
5)
Ni + 2H2SO4 = NiSO4 + SO2↑ + 2H2O (2)
SO4(2-) + 2e + 4H(+) = SO2↑ + 2H2O
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Answers & Comments
6H(+) + 3SO4(2-) + 2Al = 3H2 + 2Al(3+) + 3SO4(2-)
6H(+) + 2 Al = 3H2 + 2Al(3+)
2) Fe + H2SO4 ==FeSO4 +Н2
Fe + 2H(+)+SO4 (2-)=Fe(2+)+SO4(2-) +Н2
Fe + 2H(+)==Fe(2+)+Н2
3) Zn+H2SO4=Znso4+H2
Zn+2H(+) + SO4(-2)=Zn(+2)+SO4(-2)+2H
Zn+2H(+)=Zn(+2)+2H
4)Mg+H2SO4=MgSO4 +H2
Mg +2H(+)+SO4(2-)=Mg(2+)+SO4(2-)+H2
CuO+H2SO4=CuSO4+H2O
5)Ni + 2H2SO4 = NiSO4 + SO2↑ + 2H2O (2)
SO4(2-) + 2e + 4H(+) = SO2↑ + 2H2O