Question

A volume of 20 ml of 1MKMnO4 solution is diluted to 150 ml. In this solution, 50 ml of 10 MH2SO4 is added. 25 ml of this mixture is titrated with 20 ml of FeC2O4 solution. The molarity of FeC2O4 solution is

Answer 1

Answer:

2.5×5 = 20×M×3

12.5 = 60

12.5/60

M = 0.208M