31. Solving a chemistry problem

31. Solving a chemistry problem

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2. When permanganatometrically determining the mass of iron (II) in the analyzed solution with a volume of 25 ml in five parallel analyzes, the concentration of iron (II) in the analyzed solution was found to be equal, mol/l: 0.0319; 0.0320; 0.0322; 0.0324; 0.0326. Calculate for the mass of iron (II) in the analyzed solution the standard deviation, the confidence interval and the relative error in determining the average mass at a confidence level Р=0.95.

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  • Content type File
  • Content description 65,55 kB
  • Added to the site 13.04.2023
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.

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