23 BaO+HNO_(3)arrow 24. Fe_(2)O_(3)+HNO_(3)arrow Na_(2)O+H_(3)PO_(4)arrow 26 MgO+H_(3)PO_(4)arrow 27. Al_(2)O_(3)+H_(3)PO_(4)arrow 28. Fe_(3)O_(4)+HClarrow 29. Fe_(3)O_(4)+H_(2)SO_(4)arrow 30. Fe_(3)O_(4)+H_(3)PO_(4)arrow 31 CO_(2)+NaOH 32. CO_(2)+Ca(OH)_(2)arrow 33. SO_(2)+KOH 34. SO_(2)+Ca(OH)_(2)arrow 35. SO_(3)+KOHarrow 36. SO_(3)+Ca(OH)_(2)arrow 37. N_(2)O_(5)+NaOH 38. N_(2)O_(5)+Ba(OH)_(2)arrow 39. P_(2)O_(5)+NaOH 40. P_(2)O_(5)+Ba(OH)_(2)arrow 41. NaOH+HClarrow 42 Ca(OH)2+HCl 42. Al(OH)_(3)+HClarrow 43. KOH+HNO_(3)arrow 44. Cu(OH)_(2)+HNO_(3)arrow 45. Fe(OH)_(3)+HNO_(3)arrow

Dưới đây là các phương trình hóa học đã được cân bằng cho các phản ứng bạn đã đưa ra:23. \( \text{BaO} + 2\text{HNO}_3 \rightarrow \text{Ba(NO}_3)_2 + \text{H}_2\text{O} \)24. \( \text{Fe}_2\text{O}_3 + 6\text{HNO}_3 \rightarrow 2\text{Fe(NO}_3)_3 + 3\text{H}_2\text{O} \)25. 26. \( \text{MgO} + 2\text{H}_3\text{PO}_4 \rightarrow \text{Mg(H}_2\text{PO}_4)_2 + \text{H}_2\text{O} \)27. 28. 29. 30 \text{Fe}_3\text{O}_4 + 4\text{H}_3\text{PO}_4 \rightarrow 3\text{FePO}_4 + 4\text{H}_2\text{O} \)31. 32. \( \text{CO}_2 + \text{Ca(OH)}_2 \rightarrow \text{CaCO}_3 + \text{H}_2\text{O} \)33. 34. \( \text{SO}_2 + \text{Ca(OH)}_2 \rightarrow \text{CaSO}_3 + \text{H}_2\text{O} \)35. 36. \( \text{SO}_3 + \text{Ca(OH)}_2 \rightarrow \text{CaSO}_4 + \text{H}_2\text{O} \)37. 38. \( \text{N}_2\text{O}_5 + \text{Ba(OH)}_2 \rightarrow \text{Ba(NO}_3)_2 + \text{H}_2\text{O} \)39. 40. \( \text{P}_2\text{O}_5 + 3\text{Ba(OH)}_2 \rightarrow 2\text{Ba}_3(\text{PO}_4)_2 + 3\text{H}_2\text{O} \)41. 42. \( \text{Al(OH)}_3 + 3\text{HCl} \rightarrow \text{AlCl}_3 + 3\text{H}_2\text{O} \)43. \( \text{KOH} + \text{HNO}_3 \