A 0.589 g sample of pyrolusite ore (impure ) is treated
Chapter 23, Problem 64(choose chapter or problem)
A 0.589 g sample of pyrolusite ore (impure ) is treated with 1.651 g of oxalic acid in an acidic medium (reaction 1). Following this, the excess oxalic acid is titrated with 30.06 mL of 0.1000 M (reaction 2). What is the mass percent of in the pyrolusite? The following equations are neither complete nor balanced.
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