Question

铝三角化学方程式及离子方程式是什么？

Answer 1

铝三角化学方程式\x0d\x0a(1)2Al+2NaOH+2H2O===2NaAlO2+3H2(上升)\x0d\x0a\x0d\x0a(2)4Al+3O2===2Al2O3(条件:点燃)\x0d\x0a[2Al+Fe2O3===Al2O3+2Fe(条件:高温)]\x0d\x0a\x0d\x0a(3)2Al2O3===4Al+3O2(上升)(条件:电解)\x0d\x0a\x0d\x0a(4)2Al+3Cl2===2AlCl3(条件:点燃)\x0d\x0a[2Al+6HCl===2AlCl3+3H2(上升)]\x0d\x0a\x0d\x0a(5)Al2O3+2NaOH===2NaAlO2+H2O\x0d\x0a\x0d\x0a(6)Al2O3+6HCl===2AlCl3+3H2O\x0d\x0a\x0d\x0a(7)NaAlO2+HCl+H2O===NaCl+Al(OH)3(沉淀)\x0d\x0a\x0d\x0a(8)Al(OH)3+NaOH===NaAlO2+2H2O\x0d\x0a\x0d\x0a(9)2Al(OH)3===Al2O3+3H2O(条件:加热)\x0d\x0a\x0d\x0a(10)Al(OH)3+3HCl===AlCl3+3H2O\x0d\x0a\x0d\x0a(11)AlCl3+3NH3.H2O===Al(OH)3(沉淀)+3NH4Cl\x0d\x0a[AlCl3+3NaOH===Al(OH)3(沉淀)+3NaCl]\x0d\x0a\x0d\x0a(12)NaAlO2+HCl(过)===AlCl3+NaOH+H2O\x0d\x0a离子方程式\x0d\x0a1Al3++3OH-=Al(OH)3(s)\x0d\x0a2Al(OH)3+3H+=Al3++3H2O\x0d\x0a3Al(OH)3+OH-=AlO2-+2H2O\x0d\x0a4AlO2-+H++H2O=Al(OH)3(s)\x0d\x0a5Al3++4OH-=AlO2-+2H2O\x0d\x0a6AlO2-+4H+=Al3++2H2O