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A 275- flask contains pure helium at a pressure of 743 . A second flask with a volume of 495 contains pure argon at a pressure of 722 .
A 275- flask contains pure helium at a pressure of 743 . A second flask with a volume of 495 contains pure argon at a pressure of 722 .If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of helium?