Can we apply Dalton's law of partial pressures to a mixture of carbon monoxide and oxygen ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Dalton's Law of Partial Pressures**: Dalton's Law states that in a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of each individual gas. This law can only be applied to gases that do not react with each other.

2. **Identifying the Gases in the Mixture**: In this case, we have a mixture of carbon monoxide (CO) and oxygen (O2).

3. **Analyzing the Reactivity of the Gases**: Carbon monoxide and oxygen are not non-reactive; they can react with each other. Specifically, carbon monoxide can react with oxygen to form carbon dioxide (CO2) through a combustion reaction.

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