The density of of an unknown gas is 11.12 g/L at pressure and temperature of 632 torr and 45oC, respectively. What is the molar mass of the unknown gas? (R = 0.08206 L.atm/K.mol) (B4)          (A) 49.4 g/mol          (B) 349 g/mol          (C) 439 g/mol          (D) 241 g/mol

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The density of of an unknown gas is 11.12 g/L at pressure and temperature of 632 torr and 45oC, respectively. What is the molar mass of the unknown gas? (R = 0.08206 L.atm/K.mol) (B4)

         (A) 49.4 g/mol

         (B) 349 g/mol

         (C) 439 g/mol

         (D) 241 g/mol

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