Balancing Chemical Equations - Worksheet 1 | Science 9th Grade - Free Printable

Final Answer:
1. 1 H₃PO₄ + 3 KOH → 1 K₃PO₄ + 3 H₂O
2. 1 HCl + 1 NaOH → 1 NaCl + 1 H₂O
3. 10 Na + 2 NaNO₃ → 6 Na₂O + 1 N₂
4. 2 N₂ + 5 O₂ → 2 N₂O₅
5. 2 H₃PO₄ + 3 Mg(OH)₂ → 1 Mg₃(PO₄)₂ + 6 H₂O
6. 2 NaOH + 1 H₂CO₃ → 1 Na₂CO₃ + 2 H₂O
7. 2 H₂ + 1 O₂ → 2 H₂O₂
8. 4 Na + 1 O₂ → 2 Na₂O
9. 16 Al + 3 S₈ → 8 Al₂S₃
10. 6 Cs + 1 N₂ → 2 Cs₃N
11. 1 Mg + 1 Cl₂ → 1 MgCl₂
12. 2 Rb + 2 RbNO₃ → 2 Rb₂O + 1 N₂
13. 2 C₆H₆ + 15 O₂ → 12 CO₂ + 6 H₂O
14. 1 N₂ + 3 H₂ → 2 NH₃
15. 1 C + 1 O₂ → 1 CO₂
16. 2 C₃H₈ + 10 O₂ → 6 CO₂ + 8 H₂O
17. 3 Li + 1 AlCl₃ → 3 LiCl + 1 Al
18. 3 Rb + 1 P → 1 Rb₃P
19. 2 Al(OH)₃ + 3 H₂SO₄ → 1 Al₂(SO₄)₃ + 6 H₂O
20. 8 Rb + 1 S₈ → 8 Rb₂S
21. 1 CaSO₄ + 2 KOH → 1 Ca(OH)₂ + 1 K₂SO₄
22. 1 FeBr₃ + 3 Na → 1 Fe + 3 NaBr
23. 1 Al₄C₃ + 12 H₂O → 3 CH₄ + 4 Al(OH)₃
24. 1 Ba + 2 HNO₃ → 1 H₂ + 1 Ba(NO₃)₂
25. 1 NH₄OH + 1 HBr → 1 H₂O + 1 NH₄Br