Question
Briefly state the method you would use to separate the following mixture: (a) Sodium chloride and water (b) Iodine and sand (c) Alcohol and water (d) Chlorophyll from leaves (e) Iron pieces from sand (f) Oil from groundnuts

Question
A compound has a molecular mass of 60 and has the following composition: Carbon 40%, Hydrogen 6.67% and oxygen 53.33% (i) Calculate the empirical formula (ii) Determine its molecular formula