# Problem: At 25 °C the solubility of magnesium carbonate is 3.16 x 10-3 mol/L. Calculate the value of Ksp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect). a. 3.28x10-8b. 9.99x10-8c. 7.96x10-7d. 1.73x10-6e. 4.11x10-5

###### FREE Expert Solution

Figure out the Ksp equation of magnesium carbonate(MgCO3) and determine the Ksp using the provided concentration of 3.16x10-3 M or mol/L

The dissociation of MgCO3 in water are as follows:

MgCO3(s)  ⇌  Mg2+ (aq) + CO32- (aq)

We can construct an ICE table for the dissociation of MgCO3. Remember that solids are ignored in the ICE table.

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###### Problem Details

At 25 °C the solubility of magnesium carbonate is 3.16 x 10-3 mol/L. Calculate the value of Ksp 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

What scientific concept do you need to know in order to solve this problem?

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