Question: Calculate the pCa+ of a solution that results from the mixing 50.0ml of 0.0100 M Ca+2 with the following solution which are buffered at a pH of 10.0:
51.0 ml of 0.0100 M EDTA
The Keff is 5 X 1010 for the complexation reaction: Ca+2 + Y-4 = CaY-2 at a pH of 10.0.