1.Al->Al2(SO4)3
2.AL2(SO4)3->AlCl3
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PT
1
MS
23 tháng 12 2018
\(\left(1\right)4Al+3O_2\rightarrow2Al_2O_3\)
\(\left(2\right)Al_2O_3+6HCl\rightarrow2AlCl_3+3H_2O\)
\(\left(3\right)AlCl_3+3NaOH\rightarrow Al\left(OH\right)_3+3NaCl\)
\(\left(4\right)2Al\left(OH\right)_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+6H_2O\)
23 tháng 12 2018
4Al+ 3O2\(\xrightarrow[]{to}\) 2Al2O3
Al2O3+ 6HCl\(\rightarrow\) 2AlCl3+ 3H2O
AlCl3+ 3NaOH\(\rightarrow\) Al(OH)3\(\downarrow\)+ 3NaCl
2Al(OH)3+ 3H2SO4\(\rightarrow\) Al2(SO4)3+ 6H2O
HH
22 tháng 12 2017
4Al+3O2\(\overset{t^0}{\rightarrow}\)2Al2O3
Al2O3+6HCl\(\rightarrow\)2AlCl3+3H2
AlCl3+3NaOH\(\rightarrow\)Al(OH)3+3NaCl
2Al(OH)3+3H2SO4\(\rightarrow\)Al2(SO4)3+6H2O
22 tháng 12 2017
Al+O2→Al2O3( có nhiệt độ)
Al2O3+HCl→AlCl3+H2O
AlCl3+ NaOH→Al(OH)3+NaCl
Al(OH)3+H2SO4→Al2(SO4)3+H2O
(bạn tự cân bằng nhé)
15 tháng 11 2019
A. Na2CO3+H2SO4\(\rightarrow\)Na2SO4+H2O+CO2
Na2SO4+BaCL2\(\rightarrow\)2NaCl+BaSO4
2NaCl+2H2O-dpdd có màng ngăn\(\rightarrow\)2NaOH+H2+Cl2
2NaOH+CuCl2\(\rightarrow\)2NaCl+Cu(OH)2
Cu(OH)2\(\rightarrow\)CuO+H2O
CuO+H2SO4\(\rightarrow\)CuSO4+H2O
B. Al2O3+H2SO4\(\rightarrow\)Al2(SO4)3+H2O
Al2(SO4)3+3BaCl2\(\rightarrow\)2AlCl3+3BaSO4
AlCl3+3AgNO3\(\rightarrow\)3AgCl+Al(NO3)3
HH
3
29 tháng 12 2020
4Al+3O2----to--->2Al2O3
Al2O3 +3H2SO4----->Al2(SO4)3+3H2O
Al2(SO4)3+3BaCl2------>2AlCl3+3BaSO4
2AlCl3+3Ca(OH)2---->2Al(OH)3+3CaCl2
Al(OH)3+3HNO3---->Al(NO3)3+3H2O
2Al(NO3)3+3Mg----->3Mg(NO3)2+2Al
2Al+3H2SO4------->Al2(SO4)3+3H2
Al2(SO4)3+3Ca(OH)2------>2Al(OH)3+3CaSO4
2Al(OH)3-----to----->Al2O3+3H2O
2Al2O3----\(\dfrac{t^o}{criolit}\)---->4Al+3O2
2Al+2H2O+2NaOH------>2NaAlO2+3H2
K
29 tháng 12 2020
4Al+3O2\(\underrightarrow{t^o}\) 2Al2O3
Al2O3+H2SO4 —> Al2(SO4)3+3H2O
Al2(SO4)3+3BaCl2–>3BaSO4\(\downarrow\)+2AlCl3
AlCl3+3NaOH—>Al(OH)3\(\downarrow\)+3NaCl
Al(OH)3+HNO3 —>Al(NO3)3+NO2\(\uparrow\)+H2O
2Al(NO3)3+3Mg—>3Mg(NO3)2+2Al\(\downarrow\)
2Al+3H2SO4–>Al2(SO4)3+3H2\(\uparrow\)
Al2(SO4)3+6NaOH—>2Al(OH)3+3Na2SO4
2Al(OH)3\(\underrightarrow{t^o}\)Al2O3+3H2O
2Al2O3\(\xrightarrow[criolit]{đien.phan.nong.chay}\)
4Al+3O2
2Al+2NaOH+2H2O—>2NaAlO2+3H2
18 tháng 12 2023
\(2Al+6HCl\rightarrow2AlCl_3+3H_2\)
\(AlCl_3+3NaOH\rightarrow3NaCl+Al\left(OH\right)_3\)
\(2Al\left(OH\right)_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+6H_2O\)
\(Al_2\left(SO_4\right)_3+3BaCl_2\rightarrow2AlCl_3+3BaSO_4\)
\(AlCl_3+3AgNO_3\rightarrow3AgCl+Al\left(NO_3\right)_3\)
\(Al\left(NO_3\right)_3+3KOH\rightarrow3KNO_3+Al\left(OH\right)_3\)
\(2Al\left(OH\right)_3\underrightarrow{t^o}Al_2O_3+3H_2O\)
\(Al_2O_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)
H
18 tháng 12 2023
\(Al+\dfrac{3}{2}Cl_2\rightarrow AlCl_3\\ AlCl_3+3NaOH\rightarrow Al\left(OH\right)_3+3NaCl\\ 2Al\left(OH\right)_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+6H_2O\\ Al_2\left(SO_4\right)_3+3BaCl_2\rightarrow2AlCl_3+3BaSO_4\\ AlCl_3+3AgNO_3\rightarrow Al\left(NO_3\right)_3+3AgCl\\ Al\left(NO_3\right)_3+3NaOH\rightarrow Al\left(OH\right)_3+3NaNO_3\\ 2Al\left(OH\right)_3\underrightarrow{t^o}Al_2O_3+3H_2O\\ Al_2O_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)
\(2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2\\ Al_2\left(SO_4\right)_3+3BaCl_2\rightarrow3BaSO_4+2AlCl_3\)