Manganese is derived from pyrolusite ore, an impure
Chapter 5, Problem 95(choose chapter or problem)
Manganese is derived from pyrolusite ore, an impure manganese dioxide. In the procedure used to analyze a pyrolusite ore for its content, a 0.533 g sample is treated with 1.651 g oxalic acid in an acidic medium. Following this reaction, the excess oxalic acid is titrated with being required. What is the mass percent in the ore?
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