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A sample of an unknown volatile liquid was injected into a Dumas flask (mflask = 27.0928 g, Vflask = 01040 L) and heated until no visible traces of the liquid could be found. The flask and its contents were then rapidly cooled and reweighed (mflask + vapor = 27.4593 g) The atmospheric pressure and temperature during the experiment were 0.976 atm and 18.0 °C, respectively. The unknown volatile liquid was __________.

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A sample of an unknown volatile liquid was injected into a Dumas flask (mflask = 27.0928 g, Vflask = 01040 L) and heated until no visible traces of the liquid could be found. The flask and its contents were then rapidly cooled and reweighed (mflask + vapor = 27.4593 g) The atmospheric pressure and temperature during the experiment were 0.976 atm and 18.0 °C, respectively. The unknown volatile liquid was __________.






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