Briefly explain how each of the following factors would affect the isolation of pure fluorene and pure fluorine separately (Increase, decrease, no effect) from CC: a. use 100 mg mixture instead of 25 mg. b. increase the amount of silica gel five times c. use pure Et_2O instead of 20% Et20 in hexane as eluent d. maintain formation of slurry e. use alumina instead of silica gel as stationary phase