102. Solving a chemistry problem
Seller: Derkach
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Product description
- A portion of technical sodium sulfite was dissolved in a volumetric flask with a volume of 200.0 ml, and 16.20 ml of 0.05000 N was used to titrate 20.00 ml of the resulting solution. iodine solution. Calculate the mass fraction of Na2SO3 in the sample.
Answer: 91.15%
Additional information
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