To 1.0 L of water,1.5 × 10^-6 mol of Pb(NO₃) ₂,6.5 × 10^-6 mol of K₂CrO₄,and 1.0 mol of NaCl are added.What will happen?
Salt
K_sp
PbCrO₄
1) 8 × 10^-14
PbCl₂
1) 6 × 10^-5

Question

To 1.0 L of water,1.5 × 10^-6 mol of Pb(NO₃)₂,6.5 × 10^-6 mol of K₂CrO₄,and 1.0 mol of NaCl are added.What will happen? Salt K_sp PbCrO₄ 1)8 × 10^-14 PbCl₂ 1)6 × 10^-5

Quizplus · Accepted Answer

The concentration of Pb²⁺ and CrO₄^2- ions in the solution will exceed the K_sp of PbCrO₄, leading to its precipitation. PbCl₂ will not precipitate because the concentration of Cl^- ions is not high enough to exceed its K_sp.

To 10 L of Water,1