Saved Bookmarks
| 1. |
20 ml, 0.02M K2Cr2O7 is titrated with 10 ml solution of Fe2+ ion, then molarity of Fe2+ ion solution is __ x 10-2 M. |
|
Answer» Cr2O72- + Fe2+ → Cr3+ + Fe3+ Vf = 6 Vf = 1 Mili. eq. of Cr2O72- = 1[M x 10] M = 24 x 10-2 |
|