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Flask A has a volume of 1L and contains air at 90 kPa. Flask B has...

Flask A has a volume of 1L and contains air at 90 kPa. Flask B has a volume of 2L and contains air at 120 kPa at the same temperature. The stopcock connecting the flasks is then opened while the temperature is held constant, What is the final pressure of the system?

a) 30 kPa

b) 80 kPa

c) 105 kPa

d) 110 kPa

e) 210 kPa

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