Two gases are contained in gas bulbs connected by a valve. Gas A ispresent in a 44 L bulb at a pressure of 381 torr. Gas B exerts apressure of 381 torr. Gas B exerts a pressure of 756 torr in a 79 Lbulb. What is the partial pressure of gas B after they equilibriateonce the valve has been opened? Answer in units of torr.