||| Distinguishing mixtures from pure substances through physical... a mixture, if you can. Sample A is 100. mL of a clear liquid. The liquid is heated in a flask until it boils. The vapor that rises off the boiling cooled until it condenses into a separate beaker. The density of the liquid that remains in the flask is then measured, density of the liquid that boiled off turns out to be 0.77 g/mL. substar DO 2/5 Shaniya V liquid is collected for 10 minutes and and turns out to be 1.04 g/mL. The