Question- Sodium sulfate is slowly added to a solution containing 0.0500 M Ca+2 and 0.0200 M Ag+ (aq). What will be the concentration of Ca+2 (aq) when Ag2SO4(s) begins to precipitate:
1. [Ca+2] = ? M
2. What percentage of the Ca+2 can be separated from the Ag+ (aq) by selective precipitation?
I am not able to determine the correct answer for the above question please helps me to get the correct answer