Bài 9/ Hoàn thành các PTHH sau: 1/ Na + O2 -> Na2O 2/ Na + H2O -> NaOH + H2 3/ P2O5 + H2O ->H3PO4 4/ Al2O3 + HCl ->AlCl3 + H2O 5/ Al + H2SO4 -> Al2(SO4)3 + H2 6/ Zn + HCl ->ZnCl2 + H2 7/ Na2CO3 + HCl ->NaCl + CO2 + H2O 8/ Na2SO3 + H2SO4 -> Na2SO4 + SO2 + H2O 9/ CuSO4 + NaOH -> Cu(OH)2 + Na2SO4 10/ FeCl3 + KOH ->Fe(OH)3 + KCl 11/ BaCl2 + H2SO4 -> BaSO4 + HCl 12/ C12H22O11 -> C + H2O 13/ Fe(OH)3 -> Fe2O3 + H2O 14/ CaCO3 + HCl ->CaCl2 + CO2 + H2O 15/ CH4 + O2 -> CO2 + H2O 16/ Na2CO3 + Ca(OH)2 -> NaOH + CaCO3 17/ CaO + HNO3 ->Ca(NO3)2 + H2O 18/ Al + HCl -> AlCl3 + H2 19/ Al + CuSO4 -> Al2(SO4)3 + Cu 20/ FeO + HCl -> FeCl2 + H2

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