Answer:
The answer to your question is 2, 5, 4, 2
Explanation:
Data
Unbalanced chemical reaction
C₂H₂ + O₂ ⇒ CO₂ + H₂O
Reactants Elements Products
2 Carbon 1
2 Hydrogen 2
2 Oxygen 3
Balanced chemical reaction
2C₂H₂ + 5O₂ ⇒ 4CO₂ + 2H₂O
Reactants Elements Products
4 Carbon 4
4 Hydrogen 4
10 Oxygen 10
The coefficients of the balanced equations are 2, 5, 4, 2
