b Solubility and solvents i Fill two testtubes one third full with a water and b methylated spirits To each testtube add 1 g sodium chloride attach a stopper and shake Sodium chloride dissolves readily in water but not so readily in methylated spirits ii Fill two testtubes one third full with a 88g water and b a solution of 1 g potassium iodide in 5 mL water To each testtube add iodine crystals attach a stopper and shake Sodium chloride dissolves readily in water but not so readily in alcohol