Question

Al+?-->Al(OH)3+?...././/. Al+HCl-->AlCl3+?.///./.../ Al-NaOH+H2O-->NaAlO2 + ?

Answer 1

2Al + 6H2O = 2Al(OH)3 + 3H2­

2Al + 6HCl = 2AlCl3 + 3H2

2Al + 2NaOH + 2H2O = 2NaAlO2 + 3H2

Answer 2

2Al+6H2O=2Al(OH)3+3H2

  2Al+6HCl=2AlCl3+3H2

 2Al+2NaOH+2H2O=2NaAlO2 + 3H2