35. Solving a chemistry problem

35. Solving a chemistry problem

2. Determine the mass fraction of potassium dichromate in the technical product if a sample of 0.125 g was taken for analysis and 0.002 mol of Fe2 solution was added to its solution, the excess of which was titrated using 10.2 ml of KMnO4 solution with a concentration of C1/2 = 0.080 mol/l .

Additional information:

If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.