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This laboratory report details an experiment where students standardized a potassium permanganate solution and used it to determine the purity of manganese dioxide in a pyrolusite ore sample. The students calculated the molarity of the permanganate solution and used it to find 53% purity of manganese dioxide in the ore, which differed from the stated 72% purity likely due to errors from the titration process and laboratory conditions.

Author

Muhd Mirza Hizami

Language

EN