What is the concentration of the Mg2 ion in solution when [CO3-2] = 0.25M given that the

Question

Ksp= 6.82 x 10-6 for the following reaction

MgCO3-------->Mg +. CO32-

Answer 1

Ksp = (Mg^2+)(CO3^2-)
Substitute 0.25M for CO3^2- and solve for Mg^2+