Question

[An Dii]

Lập phương trình hoá học, hoàn thành phương trình hoá học.

29. Fe (OH)3+HCl→ ?+ H2O

30. Mg (OH) 2+ HCl→ MgCl + ?

31. NaOH+ ? → NaCl + H2O

32. Ba (OH) 2+ HNO3→ H2O +?

33. Fe (OH) 3+ H2SO4 → ? +H2O

34. KOH+H2PO4→ K3PO4+ H2O

35. ? + CuSO4→ Na2SO4+ Cu (OH) 2

36. KOH+?→ K2SO4+ Al (OH) 3

37. Cl2+ NaOH → Nacl + NaClO+ H2O

38. NaOH + AgNO3 → NaNO3+ Ag2O + H2O

39. Fe (OH) 2+ O2→ Fe2O3+H2O

40. Fe (OH) 2 + H2O+ O2→ Fe (OH) 3

Answer 1

[Phan Lê Minh Tâm]

29. Fe(OH)₃ + 3HCl \(\rightarrow\) FeCl₃ + 3H₂O

30. Mg(OH)₂ + 2HCl \(\rightarrow\) MgCl₂ + 2H₂O

31. NaOH + HCl \(\rightarrow\) NaCl + H₂O

32. Ba(OH)₂ + 2HNO₃ \(\rightarrow\) Ba(NO₃)₂ + 2H₂O

33. 2Fe(OH)₃ + 3H₂SO₄ \(\rightarrow\) Fe₂(SO₄)₃ + 6H₂O

34. 3KOH + H₃PO₄ \(\rightarrow\) K₃PO₄ + 3H₂O

35. 2NaOH + CuSO₄ \(\rightarrow\) Na₂SO₄ + Cu(OH)₂

36. 6KOH + Al₂(SO₄)₃ \(\rightarrow\) 3K₂SO₄ + 2Al(OH)₃

37. Cl₂ + 2NaOH \(\rightarrow\) NaCl + NaClO + H₂O

38. 2NaOH + 2AgNO₃ \(\rightarrow\) 2NaNO₃ + Ag₂O + H₂O

39. 4Fe(OH)₂ + O₂ \(\rightarrow\) 2Fe₂O₃ + 4H₂O

40. 4Fe(OH)₂ + 2H₂O + O₂ \(\rightarrow\) 4Fe(OH)₃