BROMEK ZELAZA (III)
2Fe +3 Br₂₋₋₋2 FeBr₃
Fe₂O₃ + 6HBr----- 2FeBr₃ +3 H₂O
2Fe +6 HBr----- 2FeBr₃ + 3H₂
WĘGLAN POTASU:
H2CO3 + 2KOH --- K2CO3+2H2O
2K+H2CO3---K2CO3+H2
K2O+H2CO3---K2CO3+H2O
<3
Odpowiedź:
2Fe + 3Br2--->2FeBr3
2Fe2O3 + 6HBr -->2FeBr3 +3H2O
Fe(OH)3 + 3HBr--> FeBr3 +3H2O
2K+ H2CO3 --> K2CO3 +H2↑
K2O +H2CO3--> K2CO3 +H2O
2KOH + H2CO3---> K2CO3 +2H2O
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BROMEK ZELAZA (III)
2Fe +3 Br₂₋₋₋2 FeBr₃
Fe₂O₃ + 6HBr----- 2FeBr₃ +3 H₂O
2Fe +6 HBr----- 2FeBr₃ + 3H₂
WĘGLAN POTASU:
H2CO3 + 2KOH --- K2CO3+2H2O
2K+H2CO3---K2CO3+H2
K2O+H2CO3---K2CO3+H2O
<3
Odpowiedź:
2Fe + 3Br2--->2FeBr3
2Fe2O3 + 6HBr -->2FeBr3 +3H2O
Fe(OH)3 + 3HBr--> FeBr3 +3H2O
2K+ H2CO3 --> K2CO3 +H2↑
K2O +H2CO3--> K2CO3 +H2O
2KOH + H2CO3---> K2CO3 +2H2O