28. Solving a chemistry problem

28. Solving a chemistry problem

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110. Wash water of galvanic production, with a content of Cr 6 ions up to 200 mg / l, after preliminary reduction of Cr 6 to Cr 3, is treated with a NaOH solution with a concentration of 0.1 mol / l. Write down the formula of the resulting colloidal solution, assuming that Cr 3 was contained in the form of sulfate.

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  • Content type File
  • Content description 9,98 kB
  • Added to the site 23.04.2023
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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