Al-->Al2S3-->Al2O3-->Al(NO3)3-->Al(OH)3-->Al2O3-->Al Al(OH)3-->Al2SoO4)3

Question

Al-->Al2S3-->Al2O3-->Al(NO3)3-->Al(OH)3-->Al2O3-->Al Al(OH)3-->Al2SoO4)3

Answer 1

1) добавляешь S

2) О2

3)HNO3

4)NaOH

5)H2SO4