17. Answer in detail III

 

The common salt, oil, and water mixture are taken in a beaker. The salt dissolves in acetonesalt dissolves in watersalt dissolves in ethersalt dissolves in alcohol. Allow it to stand for a few minutes. A separating funnel separates the mixture of two immiscible solidsimmiscible gasesimmiscible liquidsimmiscible solvents. The oil floats on top. The water can carefully be separated by opening the stopcock in the pear-shaped funnelseparating funnelstopcock funnelshort neck funnel. The oil is left behind in the separating funnel.

 

The saltwater is heated slowly in a spherical flaskdistillation flaskschlenk flaskflorence flask with a water condenser. The pure water vapour passes via the inner tube of the condenser.

 

The compouds on coolingvapours on coolingmixtures on coolingsolvents on cooling condense into pure water and are collected in a receiver. The salt is left behind in the flask as a residue.