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Aspirin is the analgesic acetylsalicylic acid C9H8O4. What is the coefficient of oxygen in the balanced equation for the combustion of solid acetylsalicylic acid to carbon dioxide and liquid water? a. 3.b. 2.c. 1.d. 4.e. 8.f. 7.g. 9.h. 10.i. 5.

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Answer:

Option g. (9)

Explanation:

Let's think the equation. In a combustion, the oxygen is the reactant and the products are CO₂ and water. So the reaction must be:

C₉H₈O₄  +  O₂  →  CO₂  +  H₂O

If balance the equation would find out that the coefficient of oxygen is 9  .

C₉H₈O₄  +  9O₂  →  9CO₂  +  4H₂O

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