Make up the reaction equation: Al (SO4) 3 – Al (OH) 3 – Al2O3 -AlCl3 – Al (OH) 3
| August 8, 2021 | education
When an aluminum salt interacts with sodium hydroxide, a reaction will take place with the formation of aluminum hydroxide and sodium salt: Al2 (SO4) 3 + 6NaOH = 2Al (OH) 3 + 3Na2SO4.
Aluminum hydroxide, when heated, will decompose into aluminum oxide and water: 2Al (OH) 3 -> 3H2O + Al2O3.
When hydrochloric acid is added to aluminum oxide, an aluminum salt and water are formed: Al2O3 + 6HCl = 2AlCl3 + 3H2O.
When an aluminum salt interacts with copper hydroxide, a copper salt and aluminum hydroxide are formed: 2AlCl3 + 3Cu (OH) 2 = 2Al (OH) 3 + 3CuCl2.
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