Uranium hexafluoride is a solid at room temperature, but it boils at 56°c. determine the density of uranium hexafluoride at 73°c at 763 torr.

                    Density  =  12.40 g/L       (or)    0.01240 g/mL

Data Given;

                 Pressure  =  P  =  763 torr   =   1.00395 atm

                 Temperature  =  T  =  73 °C + 273.15  =  346.15 K

                 M.mass of UF₆  =  M  =  352.02 g/mol

                 Gas Constant  =  R  =  0.0821 atm.L.mol⁻¹.K⁻¹

Formula Used,

                     Density  =  P M / R T

Putting values,

Density  =  (1.00395 atm × 352.02 g.mol⁻¹) ÷ (0.0821 atm.L.mol⁻¹.K⁻¹ × 346.15 K)

Density  =  12.40 g/L   (or)    0.01240 g/mL

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