3. Solving a chemistry problem

3. Solving a chemistry problem

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194. Calculate the mass fraction in % of calcium oxide in the sample if a sample of 1.4055 g was dissolved in a volumetric flask with a capacity of 250.00 cm3. For titration of 25.00 cm3 of the prepared solution, 18.15 cm3 of a complexone III solution (the titer of which is 0.037800) was spent. M.r. CaO=56.00, M.r. complexone III=372.24.

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  • Content type File
  • Content description 25,93 kB
  • Updated on the site 23.08.2023
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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