A certain municipal water sample contains 46.1 mg SO42-/L and 30.6 mg Cl -/L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate?

What will this precipitate be?

How do i start this question? please help

1 answer

By looking up the solubility product of AgCl. It will help to know if Ag2SO4 has a Ksp or not.