20 mL of 0.02 M K2Cr2O7 solution is used for the titraction of 10 mL of Fe2+ solution in the acidic medium. The molarity of Fe2+ solution is ___________× 10-2 M. (Nearest Integer)
20 mL of 0.02 M K2Cr2O7 solution is used for the titraction of 10 mL of Fe2+ solution in the acidic medium. The molarity of Fe2+ solution is ___________× 10-2 M. (Nearest Integer)
Asked by Shiksha User
-
1 Answer
-
Meq of K2Cr2O7 = Meq of Fe2+
-> (Molarity * Volume * nf) of K2Cr2O7 = (molarity * volume * nf) of Fe2+
->0.02 * 20 * 6 = M * 10 * 1
M = 0.24 M
Molarity = 24 * 10-2 M
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else
Sign Up on ShikshaOn Shiksha, get access to
- 65k Colleges
- 1.2k Exams
- 679k Reviews
- 1800k Answers