What Is the Maximum Volume of 8

Multiple Choice

What is the maximum volume of 8.6 × 10^-5 M K₂CrO₄ that,added to 40.4 mL of a solution that is 5.1 × 10^-5 M Ba(NO₃) ₂ and 1.5 × 10^-6 M Pb(NO₃) ₂,will precipitate PbCrO₄ but not BaCrO₄? For PbCrO₄,K_sp = 1.8 × 10^-14,and for BaCrO₄,K_sp = 1.2 × 10^-10.

A) 40 mL
B) 1.1 mL
C) 1.0 mL
D) 0.0056 mL
E) 37 mL