Odpowiedź:
Wyjaśnienie:
X - NaOH wodorotlenek sodu
Y - Fe(OH)₃ wodorotlenek żelaza (III)
Z - NaCl chlorek sodu
1. 4Na + O₂ = 2Na₂O
2. Na₂O + 2H₂O = 2NaOH
3. 2Na + 2H₂O = 2NaOH + H₂
4. NaOH =[H₂O]= Na⁺ + OH⁻
5. 3NaOH + FeCl₃ = Fe(OH)₃ + 3NaCl
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Odpowiedź:
Wyjaśnienie:
X - NaOH wodorotlenek sodu
Y - Fe(OH)₃ wodorotlenek żelaza (III)
Z - NaCl chlorek sodu
1. 4Na + O₂ = 2Na₂O
2. Na₂O + 2H₂O = 2NaOH
3. 2Na + 2H₂O = 2NaOH + H₂
4. NaOH =[H₂O]= Na⁺ + OH⁻
5. 3NaOH + FeCl₃ = Fe(OH)₃ + 3NaCl