# Chemistry

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What is the concentration of the Mg2 ion in solution when [CO3-2] = 0.25M given that the
Ksp= 6.82 x 10-6 for the following reaction

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

• Chemistry -

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

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