Figure out the K_{sp} equation of magnesium carbonate(MgCO_{3}) and determine the K_{sp} using the provided concentration of 3.16x10^{-3} M or mol/L

The dissociation of_{ }MgCO_{3} in water are as follows:

MgCO_{3}(s) ⇌ Mg^{2+} (aq) + CO_{3}^{2-} (aq)

We can construct an ICE table for the dissociation of MgCO_{3}. Remember that solids are ignored in the ICE table.

At 25 °C the solubility of magnesium carbonate is 3.16 x 10^{-3} mol/L. Calculate the value of K_{sp} at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).

a. 3.28x10^{-8}

b. 9.99x10^{-8}

c. 7.96x10^{-7}

d. 1.73x10^{-6}

e. 4.11x10^{-5}

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