Question

a 10.5 l sample of gas at 292 k contains o₂ at 0.622 atm and n₂ at 0.517 atm. what is the total pressure of the sample of gas mixture? 1.139 atm 2.00 5.0 atm 3.02 atm

Explanation:

Step1: Recall Dalton's Law

Dalton's Law of Partial Pressures states that the total pressure ($P_{total}$) of a gas mixture is the sum of the partial pressures of its components. So, $P_{total} = P_{O_2} + P_{N_2}$.

Step2: Identify partial pressures

Given $P_{O_2} = 0.622$ atm and $P_{N_2} = 0.517$ atm.

Step3: Calculate total pressure

Add the partial pressures: $P_{total} = 0.622 + 0.517 = 1.139$ atm.

Answer:

1.139 atm