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In: Chemistry

A 3.86 L flask containing 1.23 atm of Ar is connected to a 3.76 L flask...

A 3.86 L flask containing 1.23 atm of Ar is connected to a 3.76 L flask containing 1.77 atm of Kr. When the two containers are allowed to mix, (a) what is the total pressure in the containers and (b) what is the mole fraction of Ar?

(a) 5.10 atm; (b) 0.415

(a) 3.00 atm; (b) 0.410

(a) 7.62 atm; (b) 0.506

none of the choices is correct

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