Question

Giúp e vs ạ hoá lớp 9

Hoàn thành dãy biến hoá sau

Alcl3----->al(OH)

Al(OH)3 ---->NaAlo2

Al2o3 ------>NaAlo2

Answer 1

AlCl3 +3 NaOH-->Al(OH)3 + 3NaCl

Al(OH)3 + NaOH----->NaAlO2+2H2O

Al2O3+ 2NaOH------>2NaAlO2+H2O

Answer 2

Alcl3----->al(OH)

AlCl3 + 3NaOH -> Al(OH)3 + 3NaCl

Al(OH)3 ---->NaAlo2

Al(OH)3 + NaOH -> NaAlO2 + 2H2O

Al2o3 ------>NaAlo2

Al2O3 + 2NaOH -> 2NaAlO2 + H2O