chemistry

the total pressure of a mixture of a gas was measured at 0.75 atm. The total moles of the gas were also measured at 7.50. The mixture was analyzed and found to contain three gasses. The moles of gas 1 and gas 3 were found to be 2.43 and 2.17, respectively. What is the mole fraction of the second gas?

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  1. Xgas = n gas/total mols gas.

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