A solution is prepared by mixing 20.0 mL of 0.025 M BaCl2 and 200. mL of 0.075 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4? ) are present.
[Ba2+] = ___________M
[SO4 2-] = __________M