Three test tubes contain solutions of AlCl3, FeCl3 and NaCl.How can you determine all three substances at once with one reagent?
| May 20, 2021 | education
Add NaOH:
AlCl3 + 3NaOH => 3NaCl + Al (OH) 3 ↓ (white);
FeCl3 + 3NaOH => 3NaCl + Fe (OH) 3 ↓ (dark brown);
NaCl + NaOH – there will be no changes.
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