5. To titrate a sample of technical KMnO4 weighing 0.85 g, 21.5 cm3 of Na2C2O4 solution C1/z=0.15 mol/dm3 was required. Determine the mass fraction of KMnO4 in the sample.
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 :)
No feedback yet