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2C2H2(g) +502 (g) → 4CO2(g) + 2H2O(g)
Assuming the reaction above
occurs at STP, what is the ratio
of C2H2 to CO2 from the balanced
equation?
[?] LC2H2 [?]L CO₂
CaHa (green)
b
CO₂ (yellow)
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Answer :

GinnyAnswer
The balanced chemical equation given is: 2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g) To find the ratio of C₂H₂ to CO₂, we compare the coefficients of these compounds in the balanced equation. From the balanced equation: - For C₂H₂, the coefficient is 2. - For CO₂, the coefficient is 4. Therefore, the ratio of C₂H₂ to CO₂ from the balanced equation is 2:4 or simplified to 1:2. This means for every 1 mole of C₂H₂ reacting, 2 moles of CO₂ are produced according to the balanced chemical equation provided.

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