The volume of nitrogen gas (measured at STP) required to cover a sample of silica gel with a mono-molecular layer is `129m^3//g` of gel.Calculate the surface area per gram of the gel if each nitrogen molecule occupies. `16.2xx10^(-20)m^2`.(Report your answer after dividing by 10)

Answer

`5.7 xx 10^(2) m^(2)`