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A sample of hydrogen gas was collected over water at 36°C and 855 mm Hg. The volume of the container was 6.50 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 44.6 torr at 36°C) A. 0.58 g B. 9.38 g C. 0.55 g D. 4.69 g E. 0.27 g A.