A mixture contains two non-reacting gases A and B. If the partial pressures of A and B are 3 bar and 5 bar, respectively, what is the total pressure of the mixture?
8 bar
To find the total pressure of a mixture containing non-reacting gases, we use Dalton's Law of Partial Pressures. This law states that the total pressure of a mixture of non-reacting gases is equal to the sum of their individual partial pressures.
Given in the question:
- Partial pressure of gas A, \(P_A = 3 \, \text{bar}\)
- Partial pressure of gas B, \(P_B = 5 \, \text{bar}\)
According to Dalton's Law:
\(P_{\text{total}} = P_A + P_B\)
Substituting the values, we get:
\(P_{\text{total}} = 3 \, \text{bar} + 5 \, \text{bar} = 8 \, \text{bar}\)
Therefore, the total pressure of the mixture is 8 bar.
Hence, the correct option is 8 bar.
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