20% surface sites have adsorbed . On heating gas evolved from sites and were collected at 0.001 atm and 298 K in a container of volume is 2.46 . Density of surface sites is and surface area is 1000

Question

20% surface sites have adsorbed . On heating  gas evolved from sites and were collected at 0.001 atm and 298 K in a container of volume is 2.46 . Density of surface sites is  and surface area is 1000 , find out the number of surface sites occupied per molecule of .

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