Question- A solution of sodium sulfate is added dropwise from a buret to a solution that contains 0.10 M lead (II) nitrate and 0.10 M radium nitrate (neglect volume changes).
Part a) Which cation precipitates first? Why?
Part b) What concentration of sulfate ion is necessary to begin precipitation?
Part c) What is the concentration of sulfate ion when the second cation begins to precipitate?
Justify your answer