find the empirical formula of a substance which has the following % composition by mass (sodium=18.2%, sulphur=12.7%, oxygen=19.1% water of crystallization =50%

find the empirical formula of a substance which has the following % co

1.	find the empirical formula of a substance which has the following % composition by mass (sodium=18.2%, sulphur=12.7%, oxygen=19.1% water of crystallization =50%
Answer» tion:Citric ACID \| C6H8O7 \| CID 311 - STRUCTURE, chemical NAMES, physical and chemical ... Molecular Formula, C6H8O7 or (a)C6H8O7( ANHYDROUS) or ... Citric acid 50% SOLUTION in water....