A Mixture of Two Metal Ions in Solution Is to Be

Multiple Choice

A mixture of two metal ions in solution is to be separated by selective precipitation. As the concentration of the precipitating ion is increased, which metal ion precipitates first?

A) The one with the lower value of K_sp for its precipitate
B) The one with the higher value of K_sp for its precipitate
C) The one present at higher concentration
D) The one present at lower concentration
E) Cannot answer the question without more information