Hoàn thành PTHH sau:
a, Fe(OH)2+Br2–>
b, Fe(NO3)2+Cl2–>
c, Fe(OH)2+Br2+NaOH–>
d, NaOH+Ca(HCO3)2
Câu trả lời tốt nhất
a, 6Fe(OH)2 + 3Br2 —> 2FeBr3 + 4Fe(OH)3
b, 6Fe(NO3)2 + 3Cl2 —> 4Fe(NO3)3 + 2FeCl3
c, 2Fe(OH)2 + Br2 + 2NaOH —> 2Fe(OH)3 + 2NaBr
d, 2NaOH + Ca(HCO3)2 —> CaCO3 + Na2CO3 + 2H2O
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