осуществить превращение Al2O3-AlCl3-Al(OH)3-Al2O3-Al-Na3AlO3
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1) Al2O3 + 6HCl = 2AlCl3 +3H2O
2)AlCl3 + 3NaOH = Al(OH)3 + 3NaCl
t
3)2Al(OH)3 ===== Al2O3 + 3H2O
4)Al2O3 + 3H2 = 2Al + 3H2O
5)2Al + 2NaOH + 2H2O = 2NaAlO2 + 3H2
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Answers & Comments
1) Al2O3 + 6HCl = 2AlCl3 +3H2O
2)AlCl3 + 3NaOH = Al(OH)3 + 3NaCl
t
3)2Al(OH)3 ===== Al2O3 + 3H2O
4)Al2O3 + 3H2 = 2Al + 3H2O
5)2Al + 2NaOH + 2H2O = 2NaAlO2 + 3H2
Verified answer
Al2O3+6HCl=2AlCl3+ 3H2OAlCl3+HOH=(ГИДРОЛИЗ) Al(OH)Cl2+HCl
Al(OH)Cl2+2NaOH=Al(OH)3+2NaCl
2Al(OH)3=(ТЕМПЕРАТУРА) Al2O3+3H2O