514. To an aliquot of sodium sulfite with a volume of 10 ml was added 15.0 ml of 0.02545 mol / l solution of iodine (I) chloride after the end of the reaction, an excess of potassium iodide. 6.35 ml of 0.04625 mol/l sodium thiosulfate solution was used for titration of the released iodine in the presence of starch. Calculate the mass of sodium sulfite in 250.0 ml of the analyzed solution.
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
No feedback yet