Wykonaj reakcje:
1 2 3
K------>K₂O------->KOH-------->Al(OH)₃
| ^
| 4 |
\------------- --------/
potrzebuje tez wspolczunniki stechiometryczne itp.
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4K+O2-->2K2O
K2O+H2O-->2KOH
3KOH+AlCl3--->Al(OH)3+3KCl
2K+2H2O-->2KOH+H2 (strzałka w górę)
1. 4 K + O₂ ---> 2 K₂O
2. K₂O + H₂O ---> 2 KOH
3. 3 KOH + AlCl3 ---> Al(OH)₃ + 3 KCl
4. 2 K + 2 H₂O ---> 2 KOH + H₂^