2. KЈ was added to 40.0 ml of a KMnO4 solution, 1 ml of which is equivalent to 0.0050 g of iron, and the released iodine was titrated with 35.90 ml of a sodium thiosulfate solution. Calculate the titer of the Na2S2O3 solution for copper.

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)