Question

mn ơi cho mk hỏi vs;

bo sung va lap cac phan ung sau ;

a, Al2O3 +HCl => AlCl+ ......

b,Zn +...=>ZnCl2

c,Cu + ....=>CuO

d, K+ H2O => KOH +...

e, CuO + H2SO4 =.> CuSO4 +.......

mn giup mk nhe  cam on mn nhieu a

Answer 1

Answer 2

a) Al₂O₃ + 6HCl → 2AlCl₃ + 3H₂O

b) Zn + Cl₂ → ZnCl₂

c) 2Cu + O₂ → 2CuO

d) 2K + 2H₂O → 2KOH + H₂

e) CuO + H₂SO₄ → CuSO₄ + H₂O

Answer 3

a) Al2O3 +6HCl => 2AlCl3+ 3H2O

b,Zn +Cl2 =>ZnCl2

c,Cu + 1/2O2=> CuO

d, K+ H2O => KOH + H2

e, CuO + H2SO4 =.> CuSO4 +H2O