Question

Na → NaOH → Na[Al(OH)4] → Al(OH)3 → Al2O3

Answer 1

Решение на фото!
______________________________
удачи))



Понравилось решение?Жми ЛУЧШИЙ!)

Answer 2

The sequence you've provided appears to be a set of chemical reactions involving sodium (Na) and aluminum (Al) compounds. Let's go through each step:

1. Na → NaOH: In this step, sodium (Na) reacts with water (H2O) to form sodium hydroxide (NaOH) and hydrogen gas (H2):

2 Na + 2 H2O → 2 NaOH + H2

2. NaOH → Na[Al(OH)4]: In this step, sodium hydroxide (NaOH) reacts with aluminum hydroxide (Al(OH)3) to form sodium tetrahydroxoaluminate (Na[Al(OH)4]):

NaOH + Al(OH)3 → Na[Al(OH)4]

3. Na[Al(OH)4] → Al(OH)3: In this step, sodium tetrahydroxoaluminate (Na[Al(OH)4]) reacts with an acidic solution or undergoes hydrolysis to form aluminum hydroxide (Al(OH)3):

Na[Al(OH)4] + H2O → Al(OH)3 + NaOH

4. Al(OH)3 → Al2O3: Finally, in this step, aluminum hydroxide (Al(OH)3) undergoes dehydration (removal of water) to form aluminum oxide (Al2O3), also known as alumina:

2 Al(OH)3 → Al2O3 + 3 H2O

So, the overall reaction sequence is: Na + 2 H2O → NaOH + H2 NaOH + Al(OH)3 → Na[Al(OH)4] Na[Al(OH)4] + H2O → Al(OH)3 + NaOH 2 Al(OH)3 → Al2O3 + 3 H2O

Please note that the above reactions are simplified and may occur under specific conditions, such as in the presence of appropriate reagents and/or catalysts.