Partial pressure

Chemistry Level pending

In a mixture of gases, each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the volume of the mixture at the same temperature. Consider the three flasks in the diagram above. When the stopcocks are closed, the three flasks have the following volume and pressure values: He \(1.0\) L at \(1\) atm, vacuum \(2.0\) L, Ar \(2.0\) L at \(2\) atm. Assuming the connecting tubes have negligible volume, what is the partial pressure of each gas and the total pressure after all the stopcocks are opened?

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