When Aqueous Solutions of Silver Nitrate and Potassium Chromate Are

Multiple Choice

When aqueous solutions of silver nitrate and potassium chromate are mixed, the blood-red precipitate silver chromate is formed. If 10.0 mL of 0.25 M aqueous silver nitrate is mixed with 15.0 mL of 0.14 M aqueous potassium chromate, what is the total concentration of ions in the solution after the precipitate is formed?

A) 0.14 M
B) 0.39 M
C) 0.30 M
D) 0.50 M
E) 0.25 M