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вика34761025
@вика34761025
August 2021
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прот7
Verified answer
Задание 1
Mg+2HCl=MgCl2+H2
Fe+H2SO4=FeSO4+H2
2Al+3H2SO4=Al2(SO4)3+3H2
Cu+HCl=реакция не идет
Задание 2
Fe2O3+3H2SO4=Fe2(SO4)3+3H2O
Fe+2HCl=FeCl2+H2
CaO+2HCl=CaCl2+H2О
2Al+6HCl=2AlCl3+3H2
3ZnO+2H3PO4=Zn3(PO4)2+3H2O
1 votes
Thanks 2
hsueh
Verified answer
1.
a) mg+2hcl = mgcl2+h2
б) 2al+3h2so4 = al2(so4)+3h2
в) fe+h2so4 = feso4+h2
г) cu+hcl = реакция не идет
1 votes
Thanks 1
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Answers & Comments
Verified answer
Задание 1Mg+2HCl=MgCl2+H2
Fe+H2SO4=FeSO4+H2
2Al+3H2SO4=Al2(SO4)3+3H2
Cu+HCl=реакция не идет
Задание 2
Fe2O3+3H2SO4=Fe2(SO4)3+3H2O
Fe+2HCl=FeCl2+H2
CaO+2HCl=CaCl2+H2О
2Al+6HCl=2AlCl3+3H2
3ZnO+2H3PO4=Zn3(PO4)2+3H2O
Verified answer
1.a) mg+2hcl = mgcl2+h2
б) 2al+3h2so4 = al2(so4)+3h2
в) fe+h2so4 = feso4+h2
г) cu+hcl = реакция не идет