Write the reaction equation: Al → Al2 (SO4) 3 → Al (OH) 3 → NaAlO2
| April 16, 2021 | education
1) 2Al + 3H2SO4 → Al2 (SO4) 3 + 3H2 ↑ (substitution reaction);
2) Al2 (SO4) 3 + 6KOH → 2Al (OH) 3 ↓ + 3K2SO4 (exchange reaction);
3) Al (OH) 3 ↓ + NaOH → NaAlO2 + 2H2O (neutralization reaction, aluminum hydroxide acts as an acid);
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