Question

A container whose volume is 650 ml contains organ at a pressure of 255mm. another container with a volume of 475 ml contains CO2 at pressure 900 mm. the gases are mixed it a total volume of 950 ml, what are the final pressure and the percentage of each gas (assuming that the temperature is constant throughout)


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Answer 1

P

1

=742torr

P

2

=795torr

V

1

=500mL

V

2

=?

T

1

=20°C+273=293K

P

1

V

1

=P

2

V

2

V

2

=P

1

V

1

/P

2

V

2

=742torrx500mL/795torr=467mLCO

2