The Solubility Product of Barium Sulfate (BaSO₄) Is 1 $25 ^ { \circ } \mathrm { C }$

Multiple Choice

The solubility product of barium sulfate (BaSO₄) is 1.08×10^-10 at $25 ^ { \circ } \mathrm { C }$ . If 15.0mL of 0.0040M Na₂SO₄ is added to 125mL of 6.4×10^-4M BaCl₂, what is the ion product of BaSO₄?

A) 3.89×10^-6 M²
B) 2.45×10^-7 M²
C) 7.20×10^-6 M²
D) 5.98×10^-7 M²
E) 8.86×10^-7 M²