338. Determine the saturated vapor pressure of a mixture of two liquids: benzene C6H6 and toluene C6H5CH3 at 300C, if the concentration of benzene in the liquid phase is 30%, and toluene is 70%. P0benzene \u003d 120 mm Hg. Art., Р0toluene = 36 mm Hg. Art.

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