Make the equation: Al- Al2 (SO4) 3- Al (OH) 3- Al2O3
| September 1, 2021 | education
2Al + 3H2SO4 (dil.) = Al2 (SO4) 3 + 3H2
Al2 (SO4) 3 + 6NaOH = Na2SO4 + 2Al (OH) 3 (in an excess of alkali, the precipitate of aluminum hydroxide will dissolve to form sodium tetrahydroxoaluminate)
Al3 + + 3OH- = Al (OH) 3
2Al (OH) 3 = Al2O3 + 3H2O (reaction occurs with heating)
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