Kumar Rajshekhar
Last Activity: 6 Years ago
When you add the solutions together (equal volumes) the aqueous solvent in one dilutes the other, so after combining the solutions, [Ba²⁺] = 0.010 M and [F⁻] = 0.0010 M Q = [Ba²⁺][F⁻]² = (0.010)(0.0010)² = 10⁻⁸ Ksp in each case.