Question

12.0 L container of sulfur dioxide has a pressure of 285 Torr T -110oC. What mass of SO2 is present?

Answer 1

Given

                Volume (V) = 12 liter

              Pressure(P) = 285 Torr = 0.00132 atm

                Temperature = -110˚c = 163 K

         So, According to the equation PV = nrt

               0.00132 ×12 = n × 0.082 × 163

                n = 0.01584 / 13.366

                    = 0.0011 mole

For SO2 1 mole = 64 gm

           0.0011 mole = 0.0011× 64

                                 = 0.0704 gm

So, 0.0704 gm of SO2 is taken.