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:<br /><br />23. \( \text{BaO} + 2\text{HNO}_3 \rightarrow \text{Ba(NO}_3)_2 + \text{H}_2\text{O} \)<br /><br />24. \( \text{Fe}_2\text{O}_3 + 6\text{HNO}_3 \rightarrow 2\text{Fe(NO}_3)_3 + 3\text{H}_2\text{O} \)<br /><br />25. \( \text{Na}_2\text{O} + \text{H}_3\PO}_4 \rightarrow 2\text{NaH}_2\text{PO}_4 \)<br /><br />26. \( \text{MgO} + 2\text{H}_3\text{PO}_4 \rightarrow \text{Mg(H}_2\text{PO}_4)_2 + \text{H}_2\text{O} \)<br /><br />27. \( \text{Al}_2\text{O}_3 + 2\text{H}_3\text{PO}_4 \rightarrow 2\text{AlHPO}_4 + \text{H}_2\text{O} \)<br /><br />28. \( \text{Fe}_3\text{O}_4 + 8\text{HCl} \rightarrow 3\text{FeCl}_2 + 4\text{H}_2\text{O} \)<br /><br />29. \( \text{Fe}_3\text{O}_4 + 4\text{H}_2\text{SO}_4 \rightarrow 3\text{FeSO}_4 + 4\text{H}_2\text{O} \)<br /><br />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} \)<br /><br />31. \( \text{CO}_2 + 2\text{NaOH} \rightarrow \text{Na}_2\text{CO}_3 + \text{H}_2\text{O} \)<br /><br />32. \( \text{CO}_2 + \text{Ca(OH)}_2 \rightarrow \text{CaCO}_3 + \text{H}_2\text{O} \)<br /><br />33. \( \text{SO}_2 + 2\text{KOH} \rightarrow \text{K}_2\text{SO}_3 + \text{H}_2\text{O} \)<br /><br />34. \( \text{SO}_2 + \text{Ca(OH)}_2 \rightarrow \text{CaSO}_3 + \text{H}_2\text{O} \)<br /><br />35. \( \text{SO}_3 + 2\text{KOH} \rightarrow \text{K}_2\text{SO}_4 + \text{H}_2\text{O} \)<br /><br />36. \( \text{SO}_3 + \text{Ca(OH)}_2 \rightarrow \text{CaSO}_4 + \text{H}_2\text{O} \)<br /><br />37. \( \text{N}_2\text{O}_5 + 2\text{NaOH} \rightarrow 2\text{NaNO}_3 + \text{H}_2\text{O} \)<br /><br />38. \( \text{N}_2\text{O}_5 + \text{Ba(OH)}_2 \rightarrow \text{Ba(NO}_3)_2 + \text{H}_2\text{O} \)<br /><br />39. \( \text{P}_2\text{O}_5 + 3\text{NaOH} \rightarrow 2\text{Na}_3\text{PO}_4 + \text{H}_2\text{O} \)<br /><br />40. \( \text{P}_2\text{O}_5 + 3\text{Ba(OH)}_2 \rightarrow 2\text{Ba}_3(\text{PO}_4)_2 + 3\text{H}_2\text{O} \)<br /><br />41. \( \text{NaOH} + \text{HCl} \rightarrow \text{NaCl} + \text{H}_2\text{O} \)<br /><br />42. \( \text{Al(OH)}_3 + 3\text{HCl} \rightarrow \text{AlCl}_3 + 3\text{H}_2\text{O} \)<br /><br />43. \( \text{KOH} + \text{HNO}_3 \