ln which one of the following, does the given amount of dllorine exert the least pressure in a vessel of capacity 1dm3 at 273K

P∝n(no. of moles)Molecuiar weight of chlorine = 71 g 0.0355g=5×10−40.071g=1×10−36.023×1021 molecules=0.01 moles0.02 moles =0.02 moles.