97. Solving a chemistry problem
Seller: Derkach
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Product description
- Calculate the percentage of MnO2 in natural pyrolusite if a sample weighing 0.4000 g was treated with dilute sulfuric acid containing 0.6000 g of oxalic acid, and the excess of the latter was titrated with 26.26 ml of 0.1000 M potassium permanganate solution.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.