Chemistry, 18.10.2021 01:00 LilFreaky666
1. Potassium persulphate is used in photography to remove the last traces of unwanted chemicals from photographic papers and plates. A 0.8162 g sample was found to contain 0.2361 g of potassium, 0.1936 g of sulphur and the rest was oxygen. What is the empirical formula of this compound? Prove with calculations.
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